title
Rust Tutorial Full Course

description
Ask me Anything Anytime on Twitter: https://x.com/NewThinkTank Rust is the language of choice for those looking for high performance, memory safety and all the tools needed to write error free code with ease. In this tutorial I created a full course on programming with Rust. Time stamps below will allow you to quickly jump to what you are interested in. Get the Code : https://github.com/derekbanas/Rust-Tutorial Best Rust Book : https://amzn.to/3PYYcoZ MY UDEMY COURSES ARE 87.5% OFF TIL May 1st ($9.99) ➡️ Python Data Science Series: Highest Rated & Largest Python Udemy Course + 56 Hrs + 200 Videos + Data Science https://bit.ly/Master_Python_52 ➡️ C++ Programming Bootcamp Series: Over 23 Hrs + 53 Videos + Quizzes + Graded Assignments https://bit.ly/C_Course_52 ➡️ Golang Course: 15 Hrs + Web Apps + Core Language + Create a Blog + PostgreSQL + Problem Solving https://bit.ly/go-tutorial10 #RustTutorial #Rust #RustProgramming 0:00 Intro 01:24 Create Project 02:43 TOML 02:54 Cargo.lock 03:45 Use / Libraries 04:30 Dependencies 06:00 Main 07:54 Mutable 09:28 Input 09:57 Expect 12:28 Variables 12:34 Constant 14:03 Shadowing 15:40 Data types 19:32 Math 23:03 Random 24:08 If 26:20 Ternary Operator 27:48 Match 32:39 Arrays 34:30 Loop 37:11 While 38:33 For 39:20 Tuples 41:27 Strings 50:25 Casting 51:52 Enums 55:55 Vectors 1:00:00 Functions 1:07:42 Generic 1:11:25 Ownership 1:20:09 HashMaps 1:24:50 Struct 1:27:54 Trait 1:34:14 Modules 1:45:36 Error Handling 1:47:14 File IO 1:48:11 Result 1:53:28 ErrorKind 1:55:40 Iterators 1:58:10 Closures 2:05:50 Smart Pointers 2:06:51 Box 2:15:03 Concurrency 2:17:10 Thread 2:25:26 Rc T 2:33:02 Installation

detail
{'title': 'Rust Tutorial Full Course', 'heatmap': [{'end': 9308.34, 'start': 9217.544, 'weight': 1}], 'summary': 'Tutorial on rust covers high performance, memory safety, and concurrent programming, with chapters on rust basics, programming fundamentals, data types, vector manipulation, generics, memory management, data structures, error handling, file operations, iterators, smart pointers, binary trees, concurrency in rust and python, providing comprehensive learning on rust with practical examples and explanations.', 'chapters': [{'end': 408.454, 'segs': [{'end': 72.454, 'src': 'embed', 'start': 24.797, 'weight': 0, 'content': [{'end': 30.32, 'text': 'and is a systems programming language that is excellent at reducing memory-related errors.', 'start': 24.797, 'duration': 5.523}, {'end': 36.183, 'text': "And by systems programming, what I'm referring to are low-level details like hardware and memory.", 'start': 30.74, 'duration': 5.443}, {'end': 39.971, 'text': 'On top of that, garbage collection is not necessary.', 'start': 36.809, 'duration': 3.162}, {'end': 47.317, 'text': 'Memory errors, as we know, often lead to security breaches, which makes Rust very attractive.', 'start': 40.392, 'duration': 6.925}, {'end': 53.481, 'text': 'Rust programs also tend to require much less memory in comparison to other languages.', 'start': 47.697, 'duration': 5.784}, {'end': 58.885, 'text': 'And on top of that, Rust also excels when it comes to concurrent programming.', 'start': 54.202, 'duration': 4.683}, {'end': 60.786, 'text': 'At compile time.', 'start': 59.485, 'duration': 1.301}, {'end': 65.129, 'text': 'many possible concurrent programming problems are pointed out,', 'start': 60.786, 'duration': 4.343}, {'end': 72.454, 'text': 'and the Rust compiler is so robust that it normally finds errors not found by other language compilers.', 'start': 65.129, 'duration': 7.325}], 'summary': 'Rust excels in reducing memory errors, requiring less memory, and concurrent programming, with a robust compiler.', 'duration': 47.657, 'max_score': 24.797, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ424797.jpg'}, {'end': 152.568, 'src': 'embed', 'start': 124.756, 'weight': 4, 'content': [{'end': 134.063, 'text': "so I'm just going to change over into my Rust tutorial directory and we can investigate what exactly is going on inside of here.", 'start': 124.756, 'duration': 9.307}, {'end': 143.991, 'text': "Now, basically, whenever we run this command, we're going to generate a Git repository, a source directory and a TOML file,", 'start': 134.904, 'duration': 9.087}, {'end': 147.594, 'text': "which stands for Tom's Obvious Minimal Language for people that care.", 'start': 143.991, 'duration': 3.603}, {'end': 152.568, 'text': 'And it is basically a cargo configuration file.', 'start': 148.306, 'duration': 4.262}], 'summary': 'Running the command generates git repository, source directory, and toml file for rust tutorial.', 'duration': 27.812, 'max_score': 124.756, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ4124756.jpg'}], 'start': 0.12, 'title': 'Rust: high performance, memory safety & concurrent programming', 'summary': 'Introduces rust, highlighting its high performance comparable to c++, memory safety, reduced memory requirements, and excellence in concurrent programming, emphasizing its ability to catch concurrent programming problems at compile time and provide easy-to-understand error messages.', 'chapters': [{'end': 124.756, 'start': 0.12, 'title': 'Rust: high performance, memory safety & concurrent programming', 'summary': 'Introduces rust, highlighting its high performance comparable to c++, memory safety, reduced memory requirements, and excellence in concurrent programming, emphasizing its ability to catch concurrent programming problems at compile time and provide easy-to-understand error messages.', 'duration': 124.636, 'highlights': ['Rust provides high performance similar to C++ and is excellent at reducing memory-related errors, making it very attractive due to its ability to prevent security breaches.', 'Rust programs tend to require much less memory compared to other languages.', 'Rust excels in concurrent programming, with its compiler pointing out many possible concurrent programming problems at compile time and providing clear error messages.', 'Garbage collection is not necessary in Rust, which is a significant advantage for memory safety and security.', "Rust's package manager and build system, cargo, allows users to download libraries, build them, and perform various other tasks."]}, {'end': 408.454, 'start': 124.756, 'title': 'Rust tutorial overview', 'summary': 'Covers setting up a rust project, including creating a git repository, source directory, and toml file, as well as configuring packages and dependencies, importing libraries, and running a hello world program.', 'duration': 283.698, 'highlights': ['The chapter covers setting up a Rust project, including creating a Git repository, source directory, and TOML file. It mentions the generation of a Git repository, a source directory, and a TOML file, which is a cargo configuration file.', "It covers configuring packages and dependencies and updating dependencies using 'cargo update'. It explains the content of the TOML file which includes information on configuring the package and dependencies, along with the functionality of 'cargo lock' and updating dependencies using 'cargo update'.", 'The chapter includes importing libraries and using nested paths for importing multiple libraries. It demonstrates importing standard input and output library and rand library, handling errors when adding libraries in the TOML file, and using nested paths for importing multiple libraries.', 'It explains running a Hello World program and adjusting the code to address warnings about unused variables. It shows the Hello World program, the adjustment made to address warnings about unused variables, and the process of running the program.']}], 'duration': 408.334, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ4120.jpg', 'highlights': ['Rust provides high performance similar to C++ and is excellent at reducing memory-related errors, making it very attractive due to its ability to prevent security breaches.', 'Rust excels in concurrent programming, with its compiler pointing out many possible concurrent programming problems at compile time and providing clear error messages.', 'Rust programs tend to require much less memory compared to other languages.', 'Garbage collection is not necessary in Rust, which is a significant advantage for memory safety and security.', 'The chapter covers setting up a Rust project, including creating a Git repository, source directory, and TOML file.']}, {'end': 1563.225, 'segs': [{'end': 450.248, 'src': 'embed', 'start': 408.814, 'weight': 0, 'content': [{'end': 417.638, 'text': "Well, whenever we create any function, we're always going to start it off with fn and whatever the name of the function is followed with parentheses,", 'start': 408.814, 'duration': 8.824}, {'end': 419.419, 'text': "and you're going to throw parameters inside of there.", 'start': 417.638, 'duration': 1.781}, {'end': 426.942, 'text': "And then you're going to have opening and curling braces that are going to define where your function both starts and ends.", 'start': 419.899, 'duration': 7.043}, {'end': 431.488, 'text': 'It is very common to indent with four spaces inside of Rust.', 'start': 427.463, 'duration': 4.025}, {'end': 434.691, 'text': 'And print line is what we call a macro.', 'start': 431.908, 'duration': 2.783}, {'end': 437.815, 'text': "And you can tell what is a macro and what isn't.", 'start': 435.192, 'duration': 2.623}, {'end': 441.7, 'text': 'If you can see the exclamation mark there, then you know it is a macro.', 'start': 438.015, 'duration': 3.685}, {'end': 443.546, 'text': 'and that is what it is.', 'start': 442.445, 'duration': 1.101}, {'end': 446.207, 'text': 'and of course this prints out hello world onto the screen.', 'start': 443.546, 'duration': 2.661}, {'end': 450.248, 'text': "not that complicated, but let's make it a little bit more complicated.", 'start': 446.207, 'duration': 4.041}], 'summary': 'Introduction to creating functions in rust, using macros to print output.', 'duration': 41.434, 'max_score': 408.814, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ4408814.jpg'}, {'end': 500.841, 'src': 'embed', 'start': 476.401, 'weight': 2, 'content': [{'end': 483.085, 'text': 'All variables you create inside of rust are immutable, which means you cannot change their value,', 'start': 476.401, 'duration': 6.684}, {'end': 487.047, 'text': 'but you can set them up also to have them be mutable.', 'start': 483.085, 'duration': 3.962}, {'end': 494.399, 'text': "And how you do that is, you start off every declaration of a variable with let and if it's mute after this,", 'start': 487.508, 'duration': 6.891}, {'end': 500.841, 'text': "that means it's going to be a value that can change, and if there's no mute, that means it can't be changed.", 'start': 494.399, 'duration': 6.442}], 'summary': "In rust, variables are immutable by default, but can be made mutable using 'mut'.", 'duration': 24.44, 'max_score': 476.401, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ4476401.jpg'}, {'end': 549.36, 'src': 'embed', 'start': 528.081, 'weight': 5, 'content': [{'end': 537.69, 'text': "And if you're wondering why exactly Rust uses immutable variables variables whose values can't change, the reason why is by using immutable variables,", 'start': 528.081, 'duration': 9.609}, {'end': 545.337, 'text': 'that is going to basically eliminate having to go and track down how values change throughout your code,', 'start': 537.69, 'duration': 7.647}, {'end': 549.36, 'text': 'which is going to save you a ton of time when it comes to debugging.', 'start': 545.337, 'duration': 4.023}], 'summary': 'Rust uses immutable variables to save time in debugging by eliminating the need to track value changes.', 'duration': 21.279, 'max_score': 528.081, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ4528081.jpg'}, {'end': 858.573, 'src': 'embed', 'start': 828.671, 'weight': 7, 'content': [{'end': 837.274, 'text': "And what I want to do here is I'm going to create another mutable and it is also going to be called age,", 'start': 828.671, 'duration': 8.603}, {'end': 840.115, 'text': 'but it is going to be an unsigned 32 bit integer.', 'start': 837.274, 'duration': 2.841}, {'end': 851.391, 'text': "write like this, and what you're going to be able to do in Rust is you can define variables with the same name but with different data types,", 'start': 841.929, 'duration': 9.462}, {'end': 856.913, 'text': "and this is called a shadowing and it's perfectly legal to do.", 'start': 851.391, 'duration': 5.522}, {'end': 858.573, 'text': "and so let's go in here.", 'start': 856.913, 'duration': 1.66}], 'summary': "Creating a mutable 'age' variable as an unsigned 32-bit integer in rust, demonstrating shadowing for variables with the same name but different data types.", 'duration': 29.902, 'max_score': 828.671, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ4828671.jpg'}, {'end': 969.769, 'src': 'embed', 'start': 926.152, 'weight': 6, 'content': [{'end': 927.374, 'text': 'And there we go.', 'start': 926.152, 'duration': 1.222}, {'end': 929.156, 'text': 'And then we can, of course, run this.', 'start': 927.394, 'duration': 1.762}, {'end': 933.423, 'text': "And you're going to see that it goes over and it prints exactly what we expect.", 'start': 929.176, 'duration': 4.247}, {'end': 935.907, 'text': "But it doesn't have the underscores inside of there.", 'start': 933.744, 'duration': 2.163}, {'end': 940.113, 'text': 'And that brings me into more specifics on data types.', 'start': 936.411, 'duration': 3.702}, {'end': 945.817, 'text': 'Now, Rust is statically typed, which means all the types must be defined.', 'start': 940.574, 'duration': 5.243}, {'end': 953.182, 'text': 'And these types are going to be auto-generated very often for you by the compiler, as you have seen.', 'start': 946.438, 'duration': 6.744}, {'end': 959.226, 'text': 'Or you can go in and define them explicitly in certain situations in which that would be useful.', 'start': 953.742, 'duration': 5.484}, {'end': 961.467, 'text': "First off, we're going to talk about integers.", 'start': 959.546, 'duration': 1.921}, {'end': 969.769, 'text': 'And you can see here, are the different unsigned integers that we have, as well as the signed integers and how you define those.', 'start': 961.667, 'duration': 8.102}], 'summary': 'Rust is statically typed, with auto-generated types, and specific details on unsigned and signed integers.', 'duration': 43.617, 'max_score': 926.152, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ4926152.jpg'}, {'end': 1164.397, 'src': 'embed', 'start': 1134.805, 'weight': 4, 'content': [{'end': 1139.187, 'text': "you can just start it with an underscore and the Rust compiler won't throw any types of errors.", 'start': 1134.805, 'duration': 4.382}, {'end': 1148.491, 'text': "And the possible values for bool is true, lowercase t, and false also, which I'm guessing that you probably already know.", 'start': 1139.867, 'duration': 8.624}, {'end': 1160.195, 'text': 'Another one is if you wanted to create a character, you could come in and just say let and my grade.', 'start': 1149.311, 'duration': 10.884}, {'end': 1164.397, 'text': "And remember, with strings, you're going to use double quotes.", 'start': 1161.396, 'duration': 3.001}], 'summary': "In rust, boolean values can be true or false, characters are created using 'let', and strings are represented with double quotes.", 'duration': 29.592, 'max_score': 1134.805, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ41134805.jpg'}, {'end': 1321.016, 'src': 'embed', 'start': 1276.396, 'weight': 10, 'content': [{'end': 1284.761, 'text': 'A 32-bit float is going to have six digits of precision, while a 64-bit is going to have 14 digits of precision.', 'start': 1276.396, 'duration': 8.365}, {'end': 1287.823, 'text': "Let's go and create some more.", 'start': 1285.402, 'duration': 2.421}, {'end': 1290.124, 'text': "Let's look at a couple more math operators.", 'start': 1287.843, 'duration': 2.281}, {'end': 1292.466, 'text': "Of course, there's a bazillion of them.", 'start': 1290.164, 'duration': 2.302}, {'end': 1296.248, 'text': "I'm just going to cover some of the basic things that you're going to use all the time.", 'start': 1292.526, 'duration': 3.722}, {'end': 1304.706, 'text': "So let's say we have a number five, and we have another one, and this is going to have a value of four.", 'start': 1296.621, 'duration': 8.085}, {'end': 1307.007, 'text': "So let's just throw four inside of there.", 'start': 1304.726, 'duration': 2.281}, {'end': 1311.29, 'text': "And I'll show you the basic math operators right at this moment.", 'start': 1307.848, 'duration': 3.442}, {'end': 1312.711, 'text': "We're going to.", 'start': 1311.81, 'duration': 0.901}, {'end': 1321.016, 'text': "let's say we wanted to say something like five plus four is equal to, and they're like this,", 'start': 1312.711, 'duration': 8.305}], 'summary': 'A 32-bit float has 6 digits, 64-bit has 14. exploring math operators and basic calculations.', 'duration': 44.62, 'max_score': 1276.396, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ41276396.jpg'}, {'end': 1406.341, 'src': 'embed', 'start': 1377.504, 'weight': 12, 'content': [{'end': 1380.086, 'text': 'And we would be able to do this with all the different operators.', 'start': 1377.504, 'duration': 2.582}, {'end': 1382.747, 'text': 'Of course, you would just replace that addition sign.', 'start': 1380.126, 'duration': 2.621}, {'end': 1386.793, 'text': "I think it's interesting to do is to generate random values.", 'start': 1383.112, 'duration': 3.681}, {'end': 1388.454, 'text': "So let's get rid of all this.", 'start': 1387.254, 'duration': 1.2}, {'end': 1394.516, 'text': "And I'm going to say let random num equal to rand.", 'start': 1389.314, 'duration': 5.202}, {'end': 1400.319, 'text': "And you're going to call thread range.", 'start': 1395.277, 'duration': 5.042}, {'end': 1406.341, 'text': "And then you're going to call generate range.", 'start': 1401.559, 'duration': 4.782}], 'summary': 'Demonstrates using different operators and generating random values.', 'duration': 28.837, 'max_score': 1377.504, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ41377504.jpg'}, {'end': 1536.466, 'src': 'embed', 'start': 1506.024, 'weight': 13, 'content': [{'end': 1511.288, 'text': "And then I'm going to say, hey, you have an important birthday.", 'start': 1506.024, 'duration': 5.264}, {'end': 1512.809, 'text': 'And there we go.', 'start': 1511.308, 'duration': 1.501}, {'end': 1517.893, 'text': 'And then if you want to continue with this, we can do an additional conditional.', 'start': 1513.49, 'duration': 4.403}, {'end': 1519.374, 'text': 'We can say else if.', 'start': 1517.953, 'duration': 1.421}, {'end': 1525.038, 'text': "And we're going to say age is equal to 21.", 'start': 1519.935, 'duration': 5.103}, {'end': 1536.466, 'text': 'And you could also do a situation where if either of these are true with the OR conditional or the OR logical operator, say age equal to 50.', 'start': 1525.038, 'duration': 11.428}], 'summary': 'A discussion on conditional statements and logical operators in programming.', 'duration': 30.442, 'max_score': 1506.024, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ41506024.jpg'}], 'start': 408.814, 'title': 'Rust programming basics', 'summary': 'Covers the basics of rust programming, including functions, macros, variables, immutability, data types, and expressions. it explains syntax, mutable variables, strings, user input, error handling, constants, data types, integers, floats, booleans, characters, math operators, and if expressions.', 'chapters': [{'end': 476.241, 'start': 408.814, 'title': 'Rust functions and macros', 'summary': 'Introduces the basics of creating functions and using macros in rust, including defining function syntax, identifying macros, and using mutable variables.', 'duration': 67.427, 'highlights': ["The syntax for creating a function in Rust starts with 'fn', followed by the function name and parentheses for parameters, and is enclosed by opening and curling braces.", "The 'print line' function is a macro in Rust, identifiable by the presence of an exclamation mark, and it is used to print text onto the screen.", "Mutable variables in Rust are defined using the 'mutable' keyword, allowing values to change by default."]}, {'end': 858.573, 'start': 476.401, 'title': 'Rust variables and immutability', 'summary': 'Introduces the concept of immutable and mutable variables in rust, explains the benefits of using immutable variables for debugging, demonstrates working with strings, receiving user input, error handling, and defines constants and data types.', 'duration': 382.172, 'highlights': ["The chapter explains the concept of immutable and mutable variables in Rust, emphasizing that all variables are immutable by default and can be made mutable by using the 'mut' keyword, providing clarity on variable immutability and mutability.", "The chapter demonstrates working with strings in Rust, including creating an empty string, receiving input from the user using 'read_line', and using 'expect' for error handling, showcasing practical examples and usage of string manipulation.", 'The chapter discusses the benefits of using immutable variables in Rust, highlighting the elimination of tracking value changes for debugging, offering insight into the advantages of using immutable variables for efficient debugging and error prevention.', 'The chapter introduces the concept of constants in Rust, elaborating on their naming conventions, usage of underscores for readability, and defining data types for constants, providing a comprehensive overview of defining and using constants in Rust.', 'The chapter explains the concept of shadowing in Rust, demonstrating the ability to define variables with the same name but different data types, showcasing the flexibility and legality of shadowing in Rust for variable redefinition.']}, {'end': 1563.225, 'start': 858.573, 'title': 'Rust data types and expressions', 'summary': 'Covers rust data types, including integers, floats, booleans, characters, and math operators, and also discusses if expressions for handling conditionals.', 'duration': 704.652, 'highlights': ['Rust is statically typed, and types are auto-generated by the compiler or can be defined explicitly, including integers, floats, booleans, and characters. Rust is statically typed, with types auto-generated by the compiler or defined explicitly, including integers, floats, booleans, and characters.', 'Detailed discussion on different integer types, their definitions, and maximum values, with examples of getting maximum values for various data types. Detailed discussion on different integer types, their definitions, and maximum values, with examples of getting maximum values for various data types.', 'Demonstration of precision in floating point numbers, comparing 32-bit and 64-bit floats, showing the difference in precision with respective number of digits. Demonstration of precision in floating point numbers, comparing 32-bit and 64-bit floats, showing the difference in precision with respective number of digits.', 'Explanation of basic math operators and their usage, including addition, subtraction, and remainder, with a demonstration of using compound assignment operators. Explanation of basic math operators and their usage, including addition, subtraction, and remainder, with a demonstration of using compound assignment operators.', 'Introduction to generating random values using the rand crate, specifying a range, and obtaining random numbers. Introduction to generating random values using the rand crate, specifying a range, and obtaining random numbers.', 'Discussion on using if expressions for handling conditionals based on age, demonstrating usage of if, else if, and else for conditional logic. Discussion on using if expressions for handling conditionals based on age, demonstrating usage of if, else if, and else for conditional logic.']}], 'duration': 1154.411, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ4408814.jpg', 'highlights': ["The syntax for creating a function in Rust starts with 'fn', followed by the function name and parentheses for parameters, and is enclosed by opening and curling braces.", "The 'print line' function is a macro in Rust, identifiable by the presence of an exclamation mark, and it is used to print text onto the screen.", "Mutable variables in Rust are defined using the 'mutable' keyword, allowing values to change by default.", "The chapter explains the concept of immutable and mutable variables in Rust, emphasizing that all variables are immutable by default and can be made mutable by using the 'mut' keyword, providing clarity on variable immutability and mutability.", "The chapter demonstrates working with strings in Rust, including creating an empty string, receiving input from the user using 'read_line', and using 'expect' for error handling, showcasing practical examples and usage of string manipulation.", 'The chapter discusses the benefits of using immutable variables in Rust, highlighting the elimination of tracking value changes for debugging, offering insight into the advantages of using immutable variables for efficient debugging and error prevention.', 'The chapter introduces the concept of constants in Rust, elaborating on their naming conventions, usage of underscores for readability, and defining data types for constants, providing a comprehensive overview of defining and using constants in Rust.', 'The chapter explains the concept of shadowing in Rust, demonstrating the ability to define variables with the same name but different data types, showcasing the flexibility and legality of shadowing in Rust for variable redefinition.', 'Rust is statically typed, and types are auto-generated by the compiler or can be defined explicitly, including integers, floats, booleans, and characters. Rust is statically typed, with types auto-generated by the compiler or defined explicitly, including integers, floats, booleans, and characters.', 'Detailed discussion on different integer types, their definitions, and maximum values, with examples of getting maximum values for various data types. Detailed discussion on different integer types, their definitions, and maximum values, with examples of getting maximum values for various data types.', 'Demonstration of precision in floating point numbers, comparing 32-bit and 64-bit floats, showing the difference in precision with respective number of digits. Demonstration of precision in floating point numbers, comparing 32-bit and 64-bit floats, showing the difference in precision with respective number of digits.', 'Explanation of basic math operators and their usage, including addition, subtraction, and remainder, with a demonstration of using compound assignment operators.', 'Introduction to generating random values using the rand crate, specifying a range, and obtaining random numbers.', 'Discussion on using if expressions for handling conditionals based on age, demonstrating usage of if, else if, and else for conditional logic.']}, {'end': 2988.034, 'segs': [{'end': 1622.258, 'src': 'embed', 'start': 1585.708, 'weight': 1, 'content': [{'end': 1596.916, 'text': "So if you wanted to simulate what it's like to have a ternary operator, we can say something like let immutable and my age is equal to 47.", 'start': 1585.708, 'duration': 11.208}, {'end': 1609.715, 'text': 'I could do something like let can vote equal to if my age is greater than or equal to 18.', 'start': 1596.916, 'duration': 12.799}, {'end': 1614.516, 'text': 'And then inside of here I could return true.', 'start': 1609.715, 'duration': 4.801}, {'end': 1622.258, 'text': 'And another thing is you do not need the semicolon after this if this is just simply going to return a value.', 'start': 1615.096, 'duration': 7.162}], 'summary': 'Simulating a ternary operator with age condition. example: age 47, can vote if age >= 18.', 'duration': 36.55, 'max_score': 1585.708, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ41585708.jpg'}, {'end': 1694.955, 'src': 'embed', 'start': 1666.522, 'weight': 0, 'content': [{'end': 1677.246, 'text': 'another conditional that is extremely important and useful is called match, and basically match is gonna run different code depending upon conditions,', 'start': 1666.522, 'duration': 10.724}, {'end': 1685.489, 'text': "like if you're gonna use match in other situations, though, for sort of error handling and such, and so let's go and create one.", 'start': 1677.246, 'duration': 8.243}, {'end': 1694.955, 'text': "so I'm gonna say let age2 be equal to 8, and what I want to do is I'm basically going to copy the important birthday thing,", 'start': 1685.489, 'duration': 9.466}], 'summary': "The 'match' conditional runs different code based on conditions, useful for error handling.", 'duration': 28.433, 'max_score': 1666.522, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ41666522.jpg'}, {'end': 1811.652, 'src': 'embed', 'start': 1779.409, 'weight': 2, 'content': [{'end': 1781.531, 'text': "It's very important when you're using match.", 'start': 1779.409, 'duration': 2.122}, {'end': 1790.037, 'text': "you have to be able to use every single possible value for age whenever you're defining all of these different conditionals.", 'start': 1781.531, 'duration': 8.506}, {'end': 1792.439, 'text': 'Again, helps you avoid errors.', 'start': 1790.458, 'duration': 1.981}, {'end': 1798.023, 'text': 'And here we can say, not an important birthday.', 'start': 1792.999, 'duration': 5.024}, {'end': 1805.949, 'text': 'And again, leave a comma there at the end, and then a semicolon at the end of this match statement.', 'start': 1798.604, 'duration': 7.345}, {'end': 1811.652, 'text': "And if we run it, you're gonna see that the age of eight is an important birthday.", 'start': 1806.648, 'duration': 5.004}], 'summary': 'Using all possible age values in match conditions helps avoid errors.', 'duration': 32.243, 'max_score': 1779.409, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ41779409.jpg'}, {'end': 1859.641, 'src': 'embed', 'start': 1831.409, 'weight': 3, 'content': [{'end': 1840.381, 'text': "I'm gonna say let my age And I'm going to say that I want it to be equal to like that automatically populates the data type.", 'start': 1831.409, 'duration': 8.972}, {'end': 1846.604, 'text': "And I'm going to say let voting age be equal to 18.", 'start': 1841.061, 'duration': 5.543}, {'end': 1856.738, 'text': "Now what I can do is go and get match and I'm going to say my age and I'm going to use the compare function here.", 'start': 1846.604, 'duration': 10.134}, {'end': 1859.641, 'text': "There's all kinds of functions built into match.", 'start': 1856.758, 'duration': 2.883}], 'summary': 'Defining variables for age and voting age, with voting age set to 18.', 'duration': 28.232, 'max_score': 1831.409, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ41831409.jpg'}, {'end': 1989.878, 'src': 'embed', 'start': 1964.232, 'weight': 5, 'content': [{'end': 1969.978, 'text': 'And elements, this is very important, elements in an array must be of the same type, data type.', 'start': 1964.232, 'duration': 5.746}, {'end': 1972.881, 'text': 'And on top of that, arrays have fixed size.', 'start': 1970.378, 'duration': 2.503}, {'end': 1975.864, 'text': "So let's go and create an array.", 'start': 1973.482, 'duration': 2.382}, {'end': 1984.371, 'text': "I'll just call this array 1 is equal to, and how you define them is you just put the square brackets, and 1,, 2,, 3, and 4 look like great numbers,", 'start': 1976.621, 'duration': 7.75}, {'end': 1985.112, 'text': "so I'll do that.", 'start': 1984.371, 'duration': 0.741}, {'end': 1989.878, 'text': "Let's say that you want to print the very first value inside of an array.", 'start': 1985.773, 'duration': 4.105}], 'summary': 'Arrays contain elements of same data type and have fixed size.', 'duration': 25.646, 'max_score': 1964.232, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ41964232.jpg'}, {'end': 2042.613, 'src': 'embed', 'start': 2018.583, 'weight': 4, 'content': [{'end': 2025.926, 'text': 'And to get this, you just say array and get rid of this part right here and replace it with the length function.', 'start': 2018.583, 'duration': 7.343}, {'end': 2032.569, 'text': "And let's say we would want to go in and loop through these different variables.", 'start': 2027.147, 'duration': 5.422}, {'end': 2034.41, 'text': "Let's create another array.", 'start': 2033.009, 'duration': 1.401}, {'end': 2037.431, 'text': "So I'm going to say, actually, let's go and just run this.", 'start': 2034.43, 'duration': 3.001}, {'end': 2038.691, 'text': "So let's just go run.", 'start': 2037.491, 'duration': 1.2}, {'end': 2042.613, 'text': 'And you can see first is one and length is equal to four.', 'start': 2039.251, 'duration': 3.362}], 'summary': 'Demonstrating array manipulation and iteration, resulting in length of 4.', 'duration': 24.03, 'max_score': 2018.583, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ42018583.jpg'}, {'end': 2169.858, 'src': 'embed', 'start': 2140.108, 'weight': 7, 'content': [{'end': 2143.509, 'text': "So I'm going to say that I want to increment this value like that.", 'start': 2140.108, 'duration': 3.401}, {'end': 2147.601, 'text': 'And then I want to jump back to the beginning of our loop.', 'start': 2144.218, 'duration': 3.383}, {'end': 2152.084, 'text': 'And that is what continue does, continues in countless numbers of programming languages.', 'start': 2147.661, 'duration': 4.423}, {'end': 2153.305, 'text': "So you're probably well aware of it.", 'start': 2152.104, 'duration': 1.201}, {'end': 2164.814, 'text': "Another condition is I'm going to say array two, and let's say that for some reason we don't want to continue past nine or something like that.", 'start': 2154.106, 'duration': 10.708}, {'end': 2169.858, 'text': "So we'll throw this inside of here, even though it's in the array, we just want to ignore it.", 'start': 2165.315, 'duration': 4.543}], 'summary': 'Demonstrating incrementing values and using continue in programming', 'duration': 29.75, 'max_score': 2140.108, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ42140108.jpg'}, {'end': 2238.28, 'src': 'embed', 'start': 2186.734, 'weight': 6, 'content': [{'end': 2196.344, 'text': "Okay So after we do this, in the circumstance in which we want to print out our odd values, I'm just going to say val like this.", 'start': 2186.734, 'duration': 9.61}, {'end': 2199.628, 'text': "And then I'm going to go and get that value.", 'start': 2197.887, 'duration': 1.741}, {'end': 2207.012, 'text': "So I'm going to say array two and loop index and print it out.", 'start': 2200.068, 'duration': 6.944}, {'end': 2212.495, 'text': "And of course, don't forget to increment your index value.", 'start': 2207.572, 'duration': 4.923}, {'end': 2215.056, 'text': 'Otherwise you will have problems clearly.', 'start': 2212.535, 'duration': 2.521}, {'end': 2221.059, 'text': "And if we run it, you're going to see that it's going to go and print one, three, five and seven.", 'start': 2215.917, 'duration': 5.142}, {'end': 2224.181, 'text': "It didn't print nine because we broke out of the loop whenever that happened.", 'start': 2221.079, 'duration': 3.102}, {'end': 2225.791, 'text': 'All right, so there you go.', 'start': 2224.71, 'duration': 1.081}, {'end': 2230.094, 'text': "That's some stuff you can do looping-wise with arrays.", 'start': 2225.811, 'duration': 4.283}, {'end': 2232.656, 'text': 'You can also use for loops.', 'start': 2230.454, 'duration': 2.202}, {'end': 2238.28, 'text': "So I'm just going to get rid of this guy right here and delete it.", 'start': 2233.156, 'duration': 5.124}], 'summary': 'Printing odd values from an array, results in 1, 3, 5, 7.', 'duration': 51.546, 'max_score': 2186.734, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ42186734.jpg'}, {'end': 2376.746, 'src': 'embed', 'start': 2348.795, 'weight': 9, 'content': [{'end': 2355.757, 'text': 'and I leave it to you to decide when you should use while loops and when you should use for loops, and when you should use other looping structures.', 'start': 2348.795, 'duration': 6.962}, {'end': 2356.938, 'text': 'And there you go.', 'start': 2356.318, 'duration': 0.62}, {'end': 2359.239, 'text': 'We printed that as out as well.', 'start': 2356.978, 'duration': 2.261}, {'end': 2361.32, 'text': 'And now we move on to tuples.', 'start': 2359.759, 'duration': 1.561}, {'end': 2367.642, 'text': 'Now tuples can contain multiple data types in a list of a fixed size.', 'start': 2361.82, 'duration': 5.822}, {'end': 2370.003, 'text': "And so let's go and create one.", 'start': 2368.603, 'duration': 1.4}, {'end': 2376.746, 'text': "So I'm just going to call this my tuple and you need to define what data types you're going to store inside of it.", 'start': 2370.103, 'duration': 6.643}], 'summary': 'Learn about choosing between loop structures and creating tuples with multiple data types.', 'duration': 27.951, 'max_score': 2348.795, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ42348795.jpg'}, {'end': 2852.903, 'src': 'embed', 'start': 2825.433, 'weight': 10, 'content': [{'end': 2829.436, 'text': "Clearly we use strings a lot, so I'm covering a lot more with them.", 'start': 2825.433, 'duration': 4.003}, {'end': 2831.898, 'text': 'We could also get a slice of a string.', 'start': 2829.817, 'duration': 2.081}, {'end': 2840.8, 'text': "So let's go and let's say this is st6 is equal to And you have the and sign here, st5.", 'start': 2832.378, 'duration': 8.422}, {'end': 2844.261, 'text': "And let's say we want to get everything from index 0 through 5.", 'start': 2840.96, 'duration': 3.301}, {'end': 2846.881, 'text': 'We would go 0, dot, dot, 6.', 'start': 2844.261, 'duration': 2.62}, {'end': 2850.762, 'text': 'We do not include the 6 whenever we grab this piece.', 'start': 2846.881, 'duration': 3.881}, {'end': 2852.903, 'text': "And let's do a couple more.", 'start': 2851.582, 'duration': 1.321}], 'summary': 'Covering more about using strings, including slicing and indexing.', 'duration': 27.47, 'max_score': 2825.433, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ42825433.jpg'}, {'end': 3000.664, 'src': 'embed', 'start': 2967.501, 'weight': 11, 'content': [{'end': 2974.827, 'text': 'However, string seven still does exist because we use the and sign here to get a reference to it to get those values.', 'start': 2967.501, 'duration': 7.326}, {'end': 2980.112, 'text': "Let's say we want to cycle through the letters in a string and print them out as Unicode.", 'start': 2976.309, 'duration': 3.803}, {'end': 2984.231, 'text': 'character in and, like I said, inside the for loop.', 'start': 2981.489, 'duration': 2.742}, {'end': 2986.793, 'text': "you don't need to declare anything.", 'start': 2984.231, 'duration': 2.562}, {'end': 2988.034, 'text': 'all that is handled for you.', 'start': 2986.793, 'duration': 1.241}, {'end': 3000.664, 'text': "so we can say bytes and let's just do another print line and I'll put this whoops, quotes,", 'start': 2988.034, 'duration': 12.63}], 'summary': 'Using the & sign to reference string seven, cycling through letters, and printing as unicode.', 'duration': 33.163, 'max_score': 2967.501, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ42967501.jpg'}], 'start': 1563.825, 'title': 'Learning programming fundamentals', 'summary': 'Covers the usage and syntax of ternary operator, match statement, arrays, match functions, looping through arrays with different methods, and looping structures & string manipulation in rust, including examples and explanations.', 'chapters': [{'end': 1805.949, 'start': 1563.825, 'title': 'Learning ternary operator and match statement in programming', 'summary': 'Covers the usage and syntax of ternary operator and match statement in programming, including examples and explanation of their importance in handling conditional logic and error checking.', 'duration': 242.124, 'highlights': ['The match statement is extremely important and useful for conditional logic and error handling. The match statement is emphasized as an essential tool for conditional logic and error handling, allowing different code to run based on specific conditions.', 'Explanation of the syntax and usage of ternary operator in programming. The explanation of the syntax and usage of the ternary operator is provided, demonstrating its importance and utility in simulating conditional operations.', 'Demonstration of using match statement for defining conditionals based on ranges of values. A detailed demonstration of using the match statement to define conditionals based on ranges of values, with specific examples given for age ranges and default matching.']}, {'end': 2067.28, 'start': 1806.648, 'title': 'Programming with arrays and match functions', 'summary': 'Covers programming concepts including defining and using arrays, utilizing the match function, and explaining array elements and length, alongside code examples and explanations.', 'duration': 260.632, 'highlights': ["Using the match function to compare age and voting age, resulting in appropriate messages based on the comparison The speaker demonstrates using the match function to compare the age and voting age, generating messages such as 'can vote' when the age is greater than the voting age and 'can't vote' when the age is less than the voting age.", 'Defining and utilizing arrays to store and access multiple values, and using the length function to determine the size of the array The chapter explains defining arrays and accessing their elements, using the length function to determine the size of the array, and provides a code example to showcase these concepts.', 'Explaining the importance of array elements being of the same data type and the fixed size of arrays The speaker emphasizes the importance of array elements being of the same data type and the fixed size of arrays, providing clarity on these fundamental aspects of arrays in programming.']}, {'end': 2294.559, 'start': 2067.679, 'title': 'Looping through arrays with different methods', 'summary': "Illustrates how to loop through an array using multiple methods, including printing odd values, using 'continue' to skip certain values, and implementing a for loop to iterate through all values, culminating in an output of 1, 3, 5, and 7.", 'duration': 226.88, 'highlights': ["The chapter covers various methods of looping through arrays, including printing only odd values and using 'continue' to skip specific values. It explains techniques for looping through arrays, such as printing odd values and utilizing 'continue' to skip specific values.", "Demonstrates the use of 'break' to stop the loop, as well as the importance of incrementing the index value to avoid issues. It demonstrates the usage of 'break' to halt the loop and emphasizes the significance of incrementing the index value to prevent complications.", 'Illustrates the implementation of a for loop to iterate through all values, resulting in the output of 1, 3, 5, and 7. It illustrates the use of a for loop to cycle through all values, leading to the output of 1, 3, 5, and 7.']}, {'end': 2988.034, 'start': 2294.559, 'title': 'Looping structures & string manipulation in rust', 'summary': 'Demonstrates the usage of while loops, for loops, and tuples in rust, and covers string manipulation techniques including string creation, iteration, splitting, replacement, conversion, and manipulation, with examples and explanations provided.', 'duration': 693.475, 'highlights': ['Demonstrates usage of while loops, for loops, and tuples The tutorial covers the usage of while loops, for loops, and tuples, providing examples and explanations for each looping structure.', 'Covers string manipulation techniques The chapter delves into string manipulation techniques such as string creation, iteration, splitting, replacement, conversion, and manipulation, with examples and explanations provided.', 'Illustrates string iteration and Unicode printing Demonstrates the iteration through a string and printing out the letters as Unicode inside a for loop, showcasing practical string manipulation techniques.']}], 'duration': 1424.209, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ41563825.jpg', 'highlights': ['The match statement is emphasized as an essential tool for conditional logic and error handling, allowing different code to run based on specific conditions.', 'The explanation of the syntax and usage of the ternary operator is provided, demonstrating its importance and utility in simulating conditional operations.', 'Demonstration of using match statement for defining conditionals based on ranges of values, with specific examples given for age ranges and default matching.', 'Using the match function to compare age and voting age, resulting in appropriate messages based on the comparison.', 'Defining and utilizing arrays to store and access multiple values, and using the length function to determine the size of the array.', 'Explaining the importance of array elements being of the same data type and the fixed size of arrays.', "The chapter covers various methods of looping through arrays, including printing only odd values and using 'continue' to skip specific values.", "Demonstrates the use of 'break' to stop the loop, as well as the importance of incrementing the index value to avoid issues.", 'Illustrates the implementation of a for loop to iterate through all values, resulting in the output of 1, 3, 5, and 7.', 'The tutorial covers the usage of while loops, for loops, and tuples, providing examples and explanations for each looping structure.', 'The chapter delves into string manipulation techniques such as string creation, iteration, splitting, replacement, conversion, and manipulation, with examples and explanations provided.', 'Demonstrates the iteration through a string and printing out the letters as Unicode inside a for loop, showcasing practical string manipulation techniques.']}, {'end': 3520.917, 'segs': [{'end': 3090.138, 'src': 'embed', 'start': 3058.798, 'weight': 0, 'content': [{'end': 3060.358, 'text': "Now let's say we want to cast.", 'start': 3058.798, 'duration': 1.56}, {'end': 3065.159, 'text': 'One other additional way we can cast is through the as keyword.', 'start': 3061.018, 'duration': 4.141}, {'end': 3071.792, 'text': "So we could say something like let int and we'll make this underscore 32.", 'start': 3065.699, 'duration': 6.093}, {'end': 3073.833, 'text': 'Yeah, these are weird variable names.', 'start': 3071.792, 'duration': 2.041}, {'end': 3081.915, 'text': "I'm sort of the difference between doing this for a tutorial versus code you would use in real life.", 'start': 3073.913, 'duration': 8.002}, {'end': 3090.138, 'text': "So I'm going to say int u8 as, and if we want this to be a 32-bit, we just do that, and there we are.", 'start': 3082.375, 'duration': 7.763}], 'summary': "Demonstrates casting in code using the 'as' keyword for 32-bit integer.", 'duration': 31.34, 'max_score': 3058.798, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ43058798.jpg'}, {'end': 3160.432, 'src': 'embed', 'start': 3112.536, 'weight': 1, 'content': [{'end': 3115.559, 'text': "Another thing I'd like to talk about is enums or enumerated types.", 'start': 3112.536, 'duration': 3.023}, {'end': 3123.487, 'text': 'And basically, they just allow you to create custom data types that have a limited number of potential values.', 'start': 3116, 'duration': 7.487}, {'end': 3129.093, 'text': "So let's say we wanted to go and have our days of the week inside here.", 'start': 3123.968, 'duration': 5.125}, {'end': 3131.675, 'text': 'So we could say, all right, so there you go.', 'start': 3129.153, 'duration': 2.522}, {'end': 3134.638, 'text': "There's our enumerated type for all the different days of the week.", 'start': 3131.735, 'duration': 2.903}, {'end': 3140.728, 'text': "Something that's interesting about this is you can actually define functions for these enumerated types.", 'start': 3135.307, 'duration': 5.421}, {'end': 3148.07, 'text': 'Just go like this and reference the enumerated type you want to work with, and then just throw a bunch of functions in there.', 'start': 3141.328, 'duration': 6.742}, {'end': 3156.412, 'text': 'So one function I could use is something like if we wanted to check if a specific day is a weekend,', 'start': 3148.51, 'duration': 7.902}, {'end': 3160.432, 'text': 'we can reference this type itself by passing self inside of it.', 'start': 3156.412, 'duration': 4.02}], 'summary': 'Enums create custom data types with limited potential values, allowing functions like checking if a day is a weekend.', 'duration': 47.896, 'max_score': 3112.536, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ43112536.jpg'}, {'end': 3209.322, 'src': 'embed', 'start': 3180.975, 'weight': 3, 'content': [{'end': 3183.616, 'text': "And we're going to use our old friend match here again.", 'start': 3180.975, 'duration': 2.641}, {'end': 3193.483, 'text': "And you're going to notice in Rust that you use match a lot more than you would use ifs and statements like that, else's and all that.", 'start': 3184.477, 'duration': 9.006}, {'end': 3203.679, 'text': "So we're going to say if day is Saturday or if the day is Sunday.", 'start': 3193.993, 'duration': 9.686}, {'end': 3209.322, 'text': 'Well in that situation we are going to return true as a statement.', 'start': 3204.239, 'duration': 5.083}], 'summary': "In rust, 'match' is used more often than 'if' statements, especially for handling specific conditions like weekends.", 'duration': 28.347, 'max_score': 3180.975, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ43180975.jpg'}, {'end': 3384.66, 'src': 'embed', 'start': 3357.043, 'weight': 4, 'content': [{'end': 3362.067, 'text': 'So basically vectors are like arrays in that they can grow if mutable.', 'start': 3357.043, 'duration': 5.024}, {'end': 3367.051, 'text': 'And one thing is they can only store values of the same type.', 'start': 3362.867, 'duration': 4.184}, {'end': 3368.472, 'text': 'Very important to remember that.', 'start': 3367.251, 'duration': 1.221}, {'end': 3372.756, 'text': "So let's say we wanted to create an empty vector.", 'start': 3368.912, 'duration': 3.844}, {'end': 3380.522, 'text': "How would we do that? Well, we can go vector and we need to define exactly what type of data we're going to store inside of it.", 'start': 3372.936, 'duration': 7.586}, {'end': 3384.66, 'text': "So let's say I want to have signed integers.", 'start': 3381.062, 'duration': 3.598}], 'summary': 'Vectors are similar to arrays, can store values of the same type, and can grow if mutable.', 'duration': 27.617, 'max_score': 3357.043, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ43357043.jpg'}], 'start': 2988.034, 'title': 'Rust data types and operations', 'summary': 'Covers string operations, type casting, and enumerated types in rust, including unicode characters, casting to different types, usage of enums for custom data types, functions, match statements, operations on vectors, and the preference of match over if statements in rust, offering a comprehensive understanding of these concepts.', 'chapters': [{'end': 3134.638, 'start': 2988.034, 'title': 'String operations and type casting in rust', 'summary': 'Provides an overview of string operations and type casting in rust, including unicode characters, casting to different types, and the use of enums for custom data types.', 'duration': 146.604, 'highlights': ['The chapter provides an overview of string operations and type casting in Rust, including Unicode characters and different ways to cast to different types.', "It covers the use of 'as' keyword for casting, allowing the conversion of values between different types such as u8 and 32-bit integers.", 'Additionally, the chapter discusses enums in Rust, demonstrating their use in creating custom data types with a limited number of potential values like days of the week.']}, {'end': 3520.917, 'start': 3135.307, 'title': 'Rust enumerated types and vectors', 'summary': 'Introduces rust enumerated types and vectors, showcasing the usage of functions, match statements, and operations on vectors, highlighting the preference of match over if statements in rust and the mutability of vectors.', 'duration': 385.61, 'highlights': ['Functions can be defined for enumerated types to perform specific actions, such as checking if a specific day is a weekend. The chapter demonstrates how to define functions for enumerated types to perform specific actions, such as checking if a specific day is a weekend, showcasing the practical usage of functions in Rust.', 'The chapter emphasizes the usage of match statements over if statements in Rust for handling different cases, showcasing the preference for match statements in Rust. The chapter highlights the preference for using match statements over if statements in Rust, emphasizing its usage for handling different cases and showcasing its prevalence in Rust programming.', 'Vectors in Rust are mutable and can only store values of the same type, and various operations such as adding values, accessing specific indices, and verifying values are demonstrated. The chapter explains the mutability of vectors in Rust and their capability to store values of the same type, showcasing various operations like adding values, accessing specific indices, and verifying values within the vectors.']}], 'duration': 532.883, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ42988034.jpg', 'highlights': ["The chapter covers the use of 'as' keyword for casting in Rust, allowing the conversion of values between different types such as u8 and 32-bit integers.", 'The chapter discusses enums in Rust, demonstrating their use in creating custom data types with a limited number of potential values like days of the week.', 'Functions can be defined for enumerated types to perform specific actions, such as checking if a specific day is a weekend, showcasing the practical usage of functions in Rust.', 'The chapter emphasizes the usage of match statements over if statements in Rust for handling different cases, showcasing the preference for match statements in Rust.', 'Vectors in Rust are mutable and can only store values of the same type, and various operations such as adding values, accessing specific indices, and verifying values are demonstrated.']}, {'end': 4108.854, 'segs': [{'end': 3594.196, 'src': 'embed', 'start': 3521.338, 'weight': 0, 'content': [{'end': 3527.223, 'text': "So let's say we want to cycle through and we want to multiply every value in our vector times 2.", 'start': 3521.338, 'duration': 5.885}, {'end': 3538.01, 'text': 'So I can say for i in and mutable vector 2 And this gets a reference, of course.', 'start': 3527.223, 'duration': 10.787}, {'end': 3547.653, 'text': 'And we can go star i if we want to be able to manipulate these values equal to 2.', 'start': 3539.011, 'duration': 8.642}, {'end': 3551.394, 'text': 'And then we can cycle through said vector again.', 'start': 3547.653, 'duration': 3.741}, {'end': 3556.235, 'text': "So we'll say and vector 2.", 'start': 3551.894, 'duration': 4.341}, {'end': 3559.456, 'text': "And we'll just print this out to verify.", 'start': 3556.235, 'duration': 3.221}, {'end': 3563.565, 'text': 'that we actually got what we expected.', 'start': 3560.183, 'duration': 3.382}, {'end': 3570.69, 'text': "So we'll throw this here and there and I and what else?", 'start': 3564.026, 'duration': 6.664}, {'end': 3574.332, 'text': "Well, we'd like to be able to get the length of a vector.", 'start': 3570.79, 'duration': 3.542}, {'end': 3585.9, 'text': "so we'll say print line and vector length, vector length, and we'll throw that there and then to get our vector length.", 'start': 3574.332, 'duration': 11.568}, {'end': 3594.196, 'text': "you're going to notice that the variable names are the same for our collections and for many situations.", 'start': 3585.9, 'duration': 8.296}], 'summary': 'Cycle through vector, multiply values by 2, verify and get vector length.', 'duration': 72.858, 'max_score': 3521.338, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ43521338.jpg'}, {'end': 3656.48, 'src': 'embed', 'start': 3624.296, 'weight': 5, 'content': [{'end': 3628.96, 'text': "and let's run it and you can see that we got all of our information that we were expecting.", 'start': 3624.296, 'duration': 4.664}, {'end': 3631.081, 'text': 'So pretty cool stuff.', 'start': 3629.42, 'duration': 1.661}, {'end': 3634.584, 'text': "Alright so now it's time to talk about functions.", 'start': 3631.902, 'duration': 2.682}, {'end': 3640.869, 'text': "Now you can actually define your functions before or after main but in this circumstance I'm going to define them before.", 'start': 3635.024, 'duration': 5.845}, {'end': 3643.597, 'text': 'And you just start them off with fn.', 'start': 3641.636, 'duration': 1.961}, {'end': 3645.657, 'text': "We've done a little bit with functions.", 'start': 3643.637, 'duration': 2.02}, {'end': 3656.48, 'text': "And I'm going to cover the most important concepts with functions now and then later on in the tutorial I'll cover generics and generics with functions whenever that makes more sense.", 'start': 3646.257, 'duration': 10.223}], 'summary': 'Introduction to functions in programming with emphasis on defining and utilizing them in the tutorial.', 'duration': 32.184, 'max_score': 3624.296, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ43624296.jpg'}, {'end': 3853.403, 'src': 'embed', 'start': 3821.296, 'weight': 3, 'content': [{'end': 3824.817, 'text': "You're also going to be able to return multiple different values.", 'start': 3821.296, 'duration': 3.521}, {'end': 3833.302, 'text': "So maybe we just want to call this get two, and it's just going to get past one value and it is going to return two values.", 'start': 3824.897, 'duration': 8.405}, {'end': 3837.704, 'text': "Well, how do you do that? Well, you're going to have to define the data type for the two values that you return.", 'start': 3833.342, 'duration': 4.362}, {'end': 3838.945, 'text': "And that's it basically.", 'start': 3837.724, 'duration': 1.221}, {'end': 3846.941, 'text': "Alright and then we're just going to say return and let's say that we want to return 1 plus the value passed and 2 plus the value passed.", 'start': 3839.232, 'duration': 7.709}, {'end': 3853.403, 'text': "Just go x plus 1 and x plus 2, and Then we'll just come in.", 'start': 3847.401, 'duration': 6.002}], 'summary': 'The function returns two values by adding 1 and 2 to the passed value.', 'duration': 32.107, 'max_score': 3821.296, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ43821296.jpg'}, {'end': 3917.71, 'src': 'embed', 'start': 3890.743, 'weight': 4, 'content': [{'end': 3896.565, 'text': 'And this would just be value one, of course, and value two.', 'start': 3890.743, 'duration': 5.822}, {'end': 3898.186, 'text': 'And there we are.', 'start': 3897.586, 'duration': 0.6}, {'end': 3898.946, 'text': 'And run it.', 'start': 3898.466, 'duration': 0.48}, {'end': 3901.428, 'text': 'And you can see that we got both of our values.', 'start': 3899.507, 'duration': 1.921}, {'end': 3901.948, 'text': 'All right.', 'start': 3901.688, 'duration': 0.26}, {'end': 3903.949, 'text': "So that's how we get multiple values passed.", 'start': 3901.968, 'duration': 1.981}, {'end': 3906.45, 'text': 'Maybe down inside here also.', 'start': 3904.589, 'duration': 1.861}, {'end': 3917.71, 'text': 'we would like to be able to define a number list and pass a list to a function and then have that list of values be summed.', 'start': 3906.926, 'duration': 10.784}], 'summary': 'Pass and sum a list of values in a function.', 'duration': 26.967, 'max_score': 3890.743, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ43890743.jpg'}, {'end': 4089.241, 'src': 'embed', 'start': 4066.006, 'weight': 2, 'content': [{'end': 4075.272, 'text': 'Now basically, or specifically generic types, we can actually specify the data type to be used at a later time with generics.', 'start': 4066.006, 'duration': 9.266}, {'end': 4081.316, 'text': "And it's mainly used when we want to create functions that can work with multiple different types of data.", 'start': 4075.672, 'duration': 5.644}, {'end': 4085.459, 'text': 'And it can be used with structs, enums, traits, etc.', 'start': 4082.176, 'duration': 3.283}, {'end': 4086.779, 'text': "We'll cover traits later on.", 'start': 4085.479, 'duration': 1.3}, {'end': 4089.241, 'text': "And so let's go and create some.", 'start': 4087.3, 'duration': 1.941}], 'summary': 'Generics allow specifying data type for creating functions that work with multiple types of data.', 'duration': 23.235, 'max_score': 4066.006, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ44066006.jpg'}], 'start': 3521.338, 'title': 'Vector and function manipulation in rust', 'summary': 'Demonstrates multiplying every value in a vector by 2 and retrieving its length, and covers the basics of defining and using functions in rust, including passing arguments, returning values, and working with generic types, with practical examples.', 'chapters': [{'end': 3594.196, 'start': 3521.338, 'title': 'Vector multiplication and length retrieval', 'summary': 'Demonstrates the process of multiplying every value in a vector by 2 and retrieving the length of the vector, showing a practical example of iterating through a vector and manipulating its values.', 'duration': 72.858, 'highlights': ['The process of multiplying every value in a vector by 2 is demonstrated using a for loop and mutable references, showcasing practical coding techniques.', "The length of the vector is retrieved and printed using the 'vector.len()' method, emphasizing the ability to access important properties of the vector."]}, {'end': 4108.854, 'start': 3594.216, 'title': 'Rust functions and generics', 'summary': 'Covers the basics of defining and using functions in rust, including passing arguments, returning values, and working with generic types, with examples demonstrating the concepts and their functionality.', 'duration': 514.638, 'highlights': ["The chapter covers the basics of defining and using functions in Rust It explains the concept of defining functions in Rust, including how to define functions before or after the main function, and the syntax for defining functions using 'fn'.", 'Passing arguments and performing calculations within functions is demonstrated It demonstrates passing arguments to a function, specifying data types for the arguments, and performing calculations within the function, showcasing the functionality of passing and utilizing arguments.', "Returning single and multiple values from functions is explained with examples It explains the process of returning values from functions, including specifying the data type for the return value, utilizing 'return' and returning multiple values, and demonstrates examples of returning single and multiple values from functions.", 'Working with generic types and their usage in Rust functions is covered It covers the concept of generic types in Rust, their usage in creating functions that can work with multiple data types, and their applicability with structs, enums, and traits, with examples illustrating their usage and functionality.']}], 'duration': 587.516, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ43521338.jpg', 'highlights': ['The process of multiplying every value in a vector by 2 is demonstrated using a for loop and mutable references, showcasing practical coding techniques.', "The length of the vector is retrieved and printed using the 'vector.len()' method, emphasizing the ability to access important properties of the vector.", 'Working with generic types and their usage in Rust functions is covered It covers the concept of generic types in Rust, their usage in creating functions that can work with multiple data types, and their applicability with structs, enums, and traits, with examples illustrating their usage and functionality.', "Returning single and multiple values from functions is explained with examples It explains the process of returning values from functions, including specifying the data type for the return value, utilizing 'return' and returning multiple values, and demonstrates examples of returning single and multiple values from functions.", 'Passing arguments and performing calculations within functions is demonstrated It demonstrates passing arguments to a function, specifying data types for the arguments, and performing calculations within the function, showcasing the functionality of passing and utilizing arguments.', "The chapter covers the basics of defining and using functions in Rust It explains the concept of defining functions in Rust, including how to define functions before or after the main function, and the syntax for defining functions using 'fn'."]}, {'end': 4723.334, 'segs': [{'end': 4162.907, 'src': 'embed', 'start': 4139.22, 'weight': 0, 'content': [{'end': 4148.126, 'text': 'Why are we not going to be able to do it? Well, you cannot use this addition operator here on generics in the form that we are working with.', 'start': 4139.22, 'duration': 8.906}, {'end': 4151.788, 'text': "So what we're going to do is we're going to talk more about traits later on.", 'start': 4148.606, 'duration': 3.182}, {'end': 4155.76, 'text': 'But basically what this is, this is called an add trait.', 'start': 4152.676, 'duration': 3.084}, {'end': 4162.907, 'text': 'And what it does is it specifies the functionality of the addition operator for different data types.', 'start': 4156.14, 'duration': 6.767}], 'summary': 'Add trait specifies addition operator functionality for generics.', 'duration': 23.687, 'max_score': 4139.22, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ44139220.jpg'}, {'end': 4210.186, 'src': 'embed', 'start': 4185.112, 'weight': 2, 'content': [{'end': 4191.559, 'text': "It's just a stand-in and the compiler is going to understand this is a generic type, meaning that it's literally any type.", 'start': 4185.112, 'duration': 6.447}, {'end': 4196.504, 'text': 'And we are going to want the compiler to work through it.', 'start': 4192.439, 'duration': 4.065}, {'end': 4204.162, 'text': "Now there's some limitations, but basically, this add trait that we have right here is going to allow us to work with different types of numbers,", 'start': 4196.897, 'duration': 7.265}, {'end': 4206.103, 'text': 'a wide range of different types of numbers.', 'start': 4204.162, 'duration': 1.941}, {'end': 4210.186, 'text': 'And I leave it to you to go and actually search for this.', 'start': 4206.484, 'duration': 3.702}], 'summary': 'Using a generic type to work with a wide range of numbers.', 'duration': 25.074, 'max_score': 4185.112, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ44185112.jpg'}, {'end': 4317.428, 'src': 'embed', 'start': 4289.027, 'weight': 5, 'content': [{'end': 4296.349, 'text': 'Now, memory is going to be managed through a system of ownership with rules that are checked at compile time.', 'start': 4289.027, 'duration': 7.322}, {'end': 4305.217, 'text': 'And to understand this, you must understand the difference between two parts of memory, which would be stack and the heap.', 'start': 4297.029, 'duration': 8.188}, {'end': 4311.222, 'text': 'Now you have the stack, which is going to store values in a last in, first out format.', 'start': 4305.717, 'duration': 5.505}, {'end': 4317.428, 'text': 'And with the stack, data on the stack must have a defined size.', 'start': 4312.043, 'duration': 5.385}], 'summary': 'Memory management through ownership rules, stack stores data in last in, first out format.', 'duration': 28.401, 'max_score': 4289.027, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ44289027.jpg'}, {'end': 4437.496, 'src': 'embed', 'start': 4362.863, 'weight': 3, 'content': [{'end': 4370.61, 'text': 'Now one thing to be aware of is while automatic deallocation of resource is great, there are problems that can occur.', 'start': 4362.863, 'duration': 7.747}, {'end': 4374.233, 'text': 'So imagine for example if you copied a string.', 'start': 4371.13, 'duration': 3.103}, {'end': 4383.281, 'text': 'If you do, the string just stores a pointer to the first index and the memory required for each character,', 'start': 4374.753, 'duration': 8.528}, {'end': 4386.164, 'text': 'and then the number of characters that you would have.', 'start': 4383.281, 'duration': 2.883}, {'end': 4396.07, 'text': 'Now, what happens if, for example, we would delete one of those strings? Well, that information would then be deallocated for both strings.', 'start': 4386.724, 'duration': 9.346}, {'end': 4407.297, 'text': 'Now this is whenever we would copy, and you just have to understand the concept that Rust is going to free resources by default in most circumstances.', 'start': 4396.69, 'duration': 10.607}, {'end': 4412.96, 'text': "But what's great is the compiler is super awesome, and it's going to alert you to potential problems almost always.", 'start': 4407.337, 'duration': 5.623}, {'end': 4414.101, 'text': "So that's a great thing.", 'start': 4413.3, 'duration': 0.801}, {'end': 4417.803, 'text': "so, for example, let's give you an example here versus just talking.", 'start': 4414.421, 'duration': 3.382}, {'end': 4430.889, 'text': "so let's say we have let and string one is equal to and string from, and we're going to assign a word to this being world.", 'start': 4417.803, 'duration': 13.086}, {'end': 4437.496, 'text': "then we're going to go let string2 be equal to.", 'start': 4430.889, 'duration': 6.607}], 'summary': 'Rust automatically deallocates resources, but can cause problems when copying strings. compiler alerts to potential issues.', 'duration': 74.633, 'max_score': 4362.863, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ44362863.jpg'}], 'start': 4109.395, 'title': 'Generics and memory management in rust', 'summary': "Discusses limitations of using the addition operator with generics, introduces the 'add trait' for different data types, and demonstrates working with a wide range of data types. additionally, it explains memory management in rust, covering stack and heap, ownership rules, automatic deallocation issues, and the importance of understanding ownership and cloning.", 'chapters': [{'end': 4288.506, 'start': 4109.395, 'title': 'Working with generics in rust', 'summary': "Discusses the limitations of using the addition operator with generics in rust, introduces the 'add trait' to specify functionality for different data types, and demonstrates how generics allow working with a wide range of data types, including integers and floats.", 'duration': 179.111, 'highlights': ['Generics limitations with addition operator The addition operator cannot be directly used with generics in Rust, leading to limitations in defining generic functions.', "Introduction of 'add trait' The 'add trait' is introduced to specify the functionality of the addition operator for different data types in Rust, enabling the use of standard operations for performing addition with generics.", 'Working with a wide range of data types Generics in Rust allow working with a wide range of data types, including integers, floats, and various other data types, demonstrating the flexibility and versatility of generics.']}, {'end': 4723.334, 'start': 4289.027, 'title': 'Memory management in rust', 'summary': "Explains memory management in rust, detailing the concepts of stack and heap, ownership rules, automatic deallocation issues, and practical examples, emphasizing rust's ability to alert to potential problems and the importance of understanding ownership and cloning in rust.", 'duration': 434.307, 'highlights': ["Rust's compiler alerts to potential problems almost always. The compiler in Rust is effective at alerting potential problems, providing a safety net for developers.", 'Understanding the concepts of ownership and cloning is crucial in Rust. In Rust, understanding ownership and cloning is essential for managing memory effectively and avoiding potential issues.', 'Explanation of the stack and heap in memory management. The chapter explains the difference between stack and heap in memory management, providing insights into how data is stored and managed in Rust.', 'Automatic deallocation issues and the potential problems that can occur. The chapter highlights potential issues with automatic deallocation and the problems that can arise, emphasizing the need for understanding memory management in Rust.', 'Practical examples of ownership and cloning in Rust. Practical examples are provided to illustrate the concepts of ownership and cloning in Rust, demonstrating their significance in memory management.']}], 'duration': 613.939, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ44109395.jpg', 'highlights': ["Introduction of 'add trait' The 'add trait' is introduced to specify the functionality of the addition operator for different data types in Rust, enabling the use of standard operations for performing addition with generics.", 'Generics limitations with addition operator The addition operator cannot be directly used with generics in Rust, leading to limitations in defining generic functions.', 'Working with a wide range of data types Generics in Rust allow working with a wide range of data types, including integers, floats, and various other data types, demonstrating the flexibility and versatility of generics.', "Rust's compiler alerts to potential problems almost always. The compiler in Rust is effective at alerting potential problems, providing a safety net for developers.", 'Understanding the concepts of ownership and cloning is crucial in Rust. In Rust, understanding ownership and cloning is essential for managing memory effectively and avoiding potential issues.', 'Explanation of the stack and heap in memory management. The chapter explains the difference between stack and heap in memory management, providing insights into how data is stored and managed in Rust.', 'Automatic deallocation issues and the potential problems that can occur. The chapter highlights potential issues with automatic deallocation and the problems that can arise, emphasizing the need for understanding memory management in Rust.', 'Practical examples of ownership and cloning in Rust. Practical examples are provided to illustrate the concepts of ownership and cloning in Rust, demonstrating their significance in memory management.']}, {'end': 5842.098, 'segs': [{'end': 4821.129, 'src': 'embed', 'start': 4797.256, 'weight': 3, 'content': [{'end': 4806.083, 'text': 'So rundown of working with strings and passing those two functions and more on those subjects in the future.', 'start': 4797.256, 'duration': 8.827}, {'end': 4808.287, 'text': 'But of course, I have to move on.', 'start': 4806.567, 'duration': 1.72}, {'end': 4811.108, 'text': "And what I'd like to talk about next are hash maps.", 'start': 4808.607, 'duration': 2.501}, {'end': 4812.148, 'text': 'All right.', 'start': 4811.748, 'duration': 0.4}, {'end': 4816.029, 'text': 'So hash maps are going to be used to store key value pairs.', 'start': 4812.208, 'duration': 3.821}, {'end': 4821.129, 'text': "And to use them, we're going to need to come in here and get a library.", 'start': 4816.769, 'duration': 4.36}], 'summary': 'Introducing hash maps for key value pairs in programming.', 'duration': 23.873, 'max_score': 4797.256, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ44797256.jpg'}, {'end': 4879.571, 'src': 'embed', 'start': 4850.939, 'weight': 6, 'content': [{'end': 4856.324, 'text': "And then what we're going to do is we can insert different values into our hash map.", 'start': 4850.939, 'duration': 5.385}, {'end': 4864.05, 'text': 'So we can say heroes.insert and what should automatically populate.', 'start': 4856.764, 'duration': 7.286}, {'end': 4870.616, 'text': "So we're going to say Superman and we are going to say Clark Kent like that.", 'start': 4864.07, 'duration': 6.546}, {'end': 4873.886, 'text': 'and boom and it automatically knows these are strings.', 'start': 4871.264, 'duration': 2.622}, {'end': 4877.569, 'text': "See that's how great the compiler is for Rust.", 'start': 4873.966, 'duration': 3.603}, {'end': 4879.571, 'text': 'It saves you a ton of time.', 'start': 4877.989, 'duration': 1.582}], 'summary': 'Inserting values in hash map for heroes like superman and clark kent, demonstrating efficiency of rust compiler.', 'duration': 28.632, 'max_score': 4850.939, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ44850939.jpg'}, {'end': 4950.527, 'src': 'embed', 'start': 4918.568, 'weight': 5, 'content': [{'end': 4927.996, 'text': 'Now you can iterate over a hash map and get our keys and values, so we can just go k and v in heroes,', 'start': 4918.568, 'duration': 9.428}, {'end': 4932.61, 'text': 'And we need our iterator to be able to iterate through them.', 'start': 4928.966, 'duration': 3.644}, {'end': 4938.836, 'text': "And then we're just going to go and print out both of those.", 'start': 4933.851, 'duration': 4.985}, {'end': 4943.16, 'text': "So we'll say this is equal to this.", 'start': 4939.477, 'duration': 3.683}, {'end': 4945.803, 'text': 'And then we can just go K and V.', 'start': 4943.761, 'duration': 2.042}, {'end': 4949.767, 'text': 'So it just gets the key and the value all at the same time.', 'start': 4945.803, 'duration': 3.964}, {'end': 4950.527, 'text': 'So we run it.', 'start': 4949.927, 'duration': 0.6}], 'summary': 'Iterating over a hash map to get keys and values, printing both.', 'duration': 31.959, 'max_score': 4918.568, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ44918568.jpg'}, {'end': 5018.613, 'src': 'embed', 'start': 4976.974, 'weight': 2, 'content': [{'end': 4984.958, 'text': "And so let's say we want to check for a specific key in a hash map before we try to print out anything or something along those lines.", 'start': 4976.974, 'duration': 7.984}, {'end': 4994.402, 'text': "Well we can say if heroes dot contains a key and it's going to be Batman.", 'start': 4985.438, 'duration': 8.964}, {'end': 4996.123, 'text': "So we'll say Batman.", 'start': 4994.722, 'duration': 1.401}, {'end': 4998.264, 'text': 'Oops Batman spelled correctly.', 'start': 4996.323, 'duration': 1.941}, {'end': 5018.613, 'text': "Well, in that circumstance, we're going to say let the Batman and let's get rid of this space, let the Batman, equal to heroes.get and and Batman,", 'start': 4998.786, 'duration': 19.827}], 'summary': "Checking for a specific key in a hash map before printing, e.g., if heroes contains key 'batman'.", 'duration': 41.639, 'max_score': 4976.974, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ44976974.jpg'}, {'end': 5116.464, 'src': 'embed', 'start': 5079.497, 'weight': 7, 'content': [{'end': 5081.358, 'text': 'And you can see that Batman is a hero.', 'start': 5079.497, 'duration': 1.861}, {'end': 5082.099, 'text': 'Comes back.', 'start': 5081.658, 'duration': 0.441}, {'end': 5082.599, 'text': 'All right.', 'start': 5082.319, 'duration': 0.28}, {'end': 5083.66, 'text': 'So cool stuff.', 'start': 5083.039, 'duration': 0.621}, {'end': 5088.636, 'text': 'rundown of HashMaps and some things that you can do with HashMaps.', 'start': 5084.409, 'duration': 4.227}, {'end': 5090.319, 'text': 'Now I want to talk about structs.', 'start': 5088.836, 'duration': 1.483}, {'end': 5095.307, 'text': "Now a struct is a custom data type that's going to store multiple different types of data.", 'start': 5090.96, 'duration': 4.347}, {'end': 5098.552, 'text': "So we can create a struct here and let's call it customer.", 'start': 5095.327, 'duration': 3.225}, {'end': 5103.455, 'text': 'and define the types of things we want to be able to store about our customers.', 'start': 5099.512, 'duration': 3.943}, {'end': 5116.464, 'text': 'So we say something like string and address, which is also a string, and balance, maybe the amount of money that said customer owes us,', 'start': 5103.475, 'duration': 12.989}], 'summary': 'Introduction to hashmaps and structs for storing customer data.', 'duration': 36.967, 'max_score': 5079.497, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ45079497.jpg'}, {'end': 5298.478, 'src': 'embed', 'start': 5263.037, 'weight': 4, 'content': [{'end': 5264.377, 'text': "So that's how we would define that.", 'start': 5263.037, 'duration': 1.34}, {'end': 5270.421, 'text': 'Another thing that we can do is we can actually tie struct properties to functions using traits.', 'start': 5264.397, 'duration': 6.024}, {'end': 5275.404, 'text': "Remember I kept talking about traits all the time? Well, here's our opportunity to use a trait.", 'start': 5270.941, 'duration': 4.463}, {'end': 5278.406, 'text': "So let's create a trait called shape.", 'start': 5275.924, 'duration': 2.482}, {'end': 5286.091, 'text': "And what's cool about this is these functions can be used by any structs that implement the correct trait.", 'start': 5279.186, 'duration': 6.905}, {'end': 5290.053, 'text': "So we're going to go trait shape and we're going to define a function inside of it.", 'start': 5286.591, 'duration': 3.462}, {'end': 5298.478, 'text': "So this is what we would refer to as a constructor, and it's going to return a certain shape,", 'start': 5290.535, 'duration': 7.943}], 'summary': 'Define traits and functions to tie struct properties, creating a reusable trait called shape for functions that can be used by any struct implementing the correct trait.', 'duration': 35.441, 'max_score': 5263.037, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ45263037.jpg'}, {'end': 5638.226, 'src': 'embed', 'start': 5605.594, 'weight': 1, 'content': [{'end': 5611.056, 'text': "So we'll get rectangle area, and that is going to be this.", 'start': 5605.594, 'duration': 5.462}, {'end': 5615.997, 'text': 'And we will say rectangle area like that.', 'start': 5611.796, 'duration': 4.201}, {'end': 5619.394, 'text': 'And that is going to give our rectangle area.', 'start': 5617.113, 'duration': 2.281}, {'end': 5624.818, 'text': "And then we'll do exactly the same thing for our circle area.", 'start': 5619.955, 'duration': 4.863}, {'end': 5629.281, 'text': 'So circ area and just change this to circ like that.', 'start': 5624.938, 'duration': 4.343}, {'end': 5633.063, 'text': 'And we can go and run it.', 'start': 5631.002, 'duration': 2.061}, {'end': 5636.205, 'text': 'And boom, you can see we get our correct answers.', 'start': 5633.543, 'duration': 2.662}, {'end': 5636.925, 'text': 'All right.', 'start': 5636.665, 'duration': 0.26}, {'end': 5638.226, 'text': 'So cool stuff.', 'start': 5637.406, 'duration': 0.82}], 'summary': 'Calculating rectangle and circle areas, obtaining correct results.', 'duration': 32.632, 'max_score': 5605.594, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ45605594.jpg'}, {'end': 5696.352, 'src': 'embed', 'start': 5662.866, 'weight': 0, 'content': [{'end': 5668.928, 'text': "And of course, what I'm doing here where I have a main function full of stuff is not normally how you program.", 'start': 5662.866, 'duration': 6.062}, {'end': 5680.023, 'text': 'Now, you can split your code into multiple files, and packages can actually contain multiple crates which is just files with code in it.', 'start': 5669.528, 'duration': 10.495}, {'end': 5685.946, 'text': 'And you can define what code is public as well as what code is private.', 'start': 5680.683, 'duration': 5.263}, {'end': 5696.352, 'text': 'Now what I want to do here is I actually want to go and create a new folder inside of the source directory.', 'start': 5686.506, 'duration': 9.846}], 'summary': 'Code can be split into multiple files, defining public and private code; creating new folder in source directory.', 'duration': 33.486, 'max_score': 5662.866, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ45662866.jpg'}], 'start': 4723.374, 'title': "Working with rust's data structures and code organization", 'summary': 'Covers working with strings, hash maps, structs, and traits in rust, demonstrating the insertion and iteration of key-value pairs, checking keys and values, and organizing code into packages, crates, and modules.', 'chapters': [{'end': 4950.527, 'start': 4723.374, 'title': 'Working with strings and hash maps', 'summary': 'Covers working with strings, including borrowing references, creating mutable versions, and using hash maps in rust, demonstrating the insertion and iteration of key-value pairs.', 'duration': 227.153, 'highlights': ['The chapter demonstrates working with strings, including borrowing references, creating mutable versions, and using hash maps in Rust.', 'The code example illustrates inserting key-value pairs into a hash map and iterating over them to print out both keys and values.', 'The compiler in Rust automatically recognizes the types of values, saving time for the programmer.']}, {'end': 5480, 'start': 4951.048, 'title': 'Rust: hashmaps, structs, and traits', 'summary': 'Covers the usage of hashmaps for checking keys and values, creating and modifying structs, and implementing traits for different data types in rust.', 'duration': 528.952, 'highlights': ["The chapter provides a detailed explanation of using HashMaps to check for specific keys and values, including examples of using 'contains_key' and 'match' to verify the existence of a key and print a corresponding message.", "It explains the creation and modification of structs, including how to define and change values for a custom data type, such as a 'customer' struct, and demonstrates using generics to accept different types of data.", "The chapter also delves into implementing traits for different data types, using 'shape' as a trait and demonstrating how functions tied to traits can be used by any structs that implement the correct trait."]}, {'end': 5842.098, 'start': 5480.02, 'title': 'Coding shapes and organizing code', 'summary': 'Covers implementing shapes using code, creating areas for shapes, and organizing code into packages, crates, and modules, emphasizing the importance of code organization and privacy control.', 'duration': 362.078, 'highlights': ['Implementing shapes using code and calculating areas for shapes The chapter demonstrates implementing shapes using code and calculating areas for shapes, showing the creation and calculation of areas for both rectangles and circles.', 'Organizing code into packages, crates, and modules The chapter emphasizes the importance of organizing code into packages, crates, and modules, explaining their roles in code organization, privacy control, and sharing of code.', 'Importance of code organization and privacy control The chapter emphasizes the importance of code organization, privacy control, and the default privacy setting, highlighting the significance of organizing and structuring code properly.']}], 'duration': 1118.724, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ44723374.jpg', 'highlights': ['The chapter emphasizes the importance of organizing code into packages, crates, and modules, explaining their roles in code organization, privacy control, and sharing of code.', 'The chapter demonstrates implementing shapes using code and calculating areas for shapes, showing the creation and calculation of areas for both rectangles and circles.', "The chapter provides a detailed explanation of using HashMaps to check for specific keys and values, including examples of using 'contains_key' and 'match' to verify the existence of a key and print a corresponding message.", 'The chapter demonstrates working with strings, including borrowing references, creating mutable versions, and using hash maps in Rust.', "The chapter also delves into implementing traits for different data types, using 'shape' as a trait and demonstrating how functions tied to traits can be used by any structs that implement the correct trait.", 'The code example illustrates inserting key-value pairs into a hash map and iterating over them to print out both keys and values.', 'The compiler in Rust automatically recognizes the types of values, saving time for the programmer.', "It explains the creation and modification of structs, including how to define and change values for a custom data type, such as a 'customer' struct, and demonstrates using generics to accept different types of data.", 'The chapter emphasizes the importance of code organization, privacy control, and the default privacy setting, highlighting the significance of organizing and structuring code properly.']}, {'end': 6762.986, 'segs': [{'end': 5873.106, 'src': 'embed', 'start': 5842.638, 'weight': 1, 'content': [{'end': 5848.923, 'text': "So we'll go topping and we'll just say that these are some sort of default things and these are all going to be strings.", 'start': 5842.638, 'duration': 6.285}, {'end': 5852.145, 'text': 'OK, so we created a struct.', 'start': 5849.283, 'duration': 2.862}, {'end': 5856.488, 'text': 'What do we want to do now? Well, we want to implement functionality for this pizza struct.', 'start': 5852.486, 'duration': 4.002}, {'end': 5859.511, 'text': "So we'll go implement pizza.", 'start': 5857.029, 'duration': 2.482}, {'end': 5862.753, 'text': "And that just means we're creating functions to interact with it.", 'start': 5860.071, 'duration': 2.682}, {'end': 5873.106, 'text': "So I'm going to make this also public function and let's say that we're going to focus here on just a lunch scenario.", 'start': 5863.28, 'duration': 9.826}], 'summary': 'Creating a struct for pizza and implementing functionality for lunch scenario.', 'duration': 30.468, 'max_score': 5842.638, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ45842638.jpg'}, {'end': 6015.01, 'src': 'embed', 'start': 5982.303, 'weight': 0, 'content': [{'end': 5996.228, 'text': 'And whenever this is called, this is just simply going to say print line and customer seated at table.', 'start': 5982.303, 'duration': 13.925}, {'end': 5998.489, 'text': 'There we are.', 'start': 5997.389, 'duration': 1.1}, {'end': 6001.57, 'text': 'Okay, so fairly simple.', 'start': 5999.849, 'duration': 1.721}, {'end': 6006.987, 'text': "And what else are we going to do with this? Well, we're going to throw a couple other different functions inside of here.", 'start': 6002.205, 'duration': 4.782}, {'end': 6011.229, 'text': "Maybe we want to be able to take the customer's order.", 'start': 6007.407, 'duration': 3.822}, {'end': 6015.01, 'text': "So we'll say public and oops.", 'start': 6011.849, 'duration': 3.161}], 'summary': "A simple function to print customer seated at a table and take customer's order.", 'duration': 32.707, 'max_score': 5982.303, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ45982303.jpg'}, {'end': 6263.751, 'src': 'embed', 'start': 6233.232, 'weight': 7, 'content': [{'end': 6234.153, 'text': 'see, we have functions.', 'start': 6233.232, 'duration': 0.921}, {'end': 6235.95, 'text': 'inside of here we have modules.', 'start': 6234.153, 'duration': 1.797}, {'end': 6237.591, 'text': 'inside of here we have everything.', 'start': 6235.95, 'duration': 1.641}, {'end': 6239.152, 'text': 'We also have structs inside of here.', 'start': 6237.631, 'duration': 1.521}, {'end': 6244.436, 'text': 'And help customer, and then we go to take order, which is this specific function.', 'start': 6239.833, 'duration': 4.603}, {'end': 6249.88, 'text': "So that's how we walk our way through actually accessing all of these different functions.", 'start': 6244.776, 'duration': 5.104}, {'end': 6256.025, 'text': "Then over in main we can call order food, and it's automatically going to access all of this stuff.", 'start': 6250.281, 'duration': 5.744}, {'end': 6258.127, 'text': "And that is just how simple it'll be.", 'start': 6256.385, 'duration': 1.742}, {'end': 6263.751, 'text': 'So we say order food, and I think I saved that.', 'start': 6258.487, 'duration': 5.264}], 'summary': 'Explanation of accessing functions, modules, and structs to order food in a simple way.', 'duration': 30.519, 'max_score': 6233.232, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ46233232.jpg'}, {'end': 6372.743, 'src': 'embed', 'start': 6343.231, 'weight': 3, 'content': [{'end': 6348.653, 'text': 'so that you get a hands-on example of how error handling is useful.', 'start': 6343.231, 'duration': 5.422}, {'end': 6351.974, 'text': "Now, Rust doesn't have exceptions like other languages.", 'start': 6349.093, 'duration': 2.881}, {'end': 6360.676, 'text': "It's going to handle recoverable errors with result which we've seen already, and the panic macro for unrecoverable errors,", 'start': 6352.454, 'duration': 8.222}, {'end': 6362.297, 'text': "which we've also actually seen.", 'start': 6360.676, 'duration': 1.621}, {'end': 6363.757, 'text': 'At least I think I made at least one error.', 'start': 6362.337, 'duration': 1.42}, {'end': 6372.743, 'text': 'Now, basically, when the panic macro executes, your program prints an error, And memory is cleaned up and then the program quits itself.', 'start': 6364.358, 'duration': 8.385}], 'summary': 'Rust uses result for recoverable errors and panic macro for unrecoverable errors, handling error situations effectively.', 'duration': 29.512, 'max_score': 6343.231, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ46343231.jpg'}, {'end': 6485.526, 'src': 'embed', 'start': 6453.354, 'weight': 4, 'content': [{'end': 6457.855, 'text': "And basically what happens, well let's just go and create a file.", 'start': 6453.354, 'duration': 4.501}, {'end': 6459.836, 'text': 'handle the errors along the way.', 'start': 6458.375, 'duration': 1.461}, {'end': 6468.22, 'text': "so we're gonna say let out, put equal and we'll call a call file create.", 'start': 6459.836, 'duration': 8.384}, {'end': 6479.205, 'text': "so this is going to create our file and there is the name that we have, and we're going to say let mute output equal to.", 'start': 6468.22, 'duration': 10.985}, {'end': 6483.285, 'text': "And here is a situation in which we're handling potential errors.", 'start': 6480.143, 'duration': 3.142}, {'end': 6485.526, 'text': "We're going to say match output.", 'start': 6483.305, 'duration': 2.221}], 'summary': 'Creating a file and handling errors in the process.', 'duration': 32.172, 'max_score': 6453.354, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ46453354.jpg'}, {'end': 6602.668, 'src': 'embed', 'start': 6572.608, 'weight': 5, 'content': [{'end': 6576.069, 'text': 'And that problem goes away and you have to end this with a semicolon.', 'start': 6572.608, 'duration': 3.461}, {'end': 6589.16, 'text': 'alright. so now what we want to do is we want to write to the file and define the panic error message that could be expected if there was some type of a problem with it,', 'start': 6576.391, 'duration': 12.769}, {'end': 6592.322, 'text': "and we're gonna use expect for that.", 'start': 6589.16, 'duration': 3.162}, {'end': 6602.668, 'text': "so we're gonna say we want to write to the file and we're going to put our output inside of here and then, After this, well,", 'start': 6592.322, 'duration': 10.346}], 'summary': "Writing to a file with error handling using 'expect'.", 'duration': 30.06, 'max_score': 6572.608, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ46572608.jpg'}, {'end': 6762.986, 'src': 'embed', 'start': 6736.011, 'weight': 6, 'content': [{'end': 6741.794, 'text': 'So we were able to write to the file, and then we were also able to receive just some words from our file.', 'start': 6736.011, 'duration': 5.783}, {'end': 6743.155, 'text': 'All right? So good stuff.', 'start': 6742.034, 'duration': 1.121}, {'end': 6747.137, 'text': 'Another thing you can do is you can also catch specific errors.', 'start': 6743.495, 'duration': 3.642}, {'end': 6749.018, 'text': 'So this is going to sort of stack.', 'start': 6747.237, 'duration': 1.781}, {'end': 6759.664, 'text': "So once again, let's go let and output to equal to file and call create again.", 'start': 6749.598, 'duration': 10.066}, {'end': 6762.986, 'text': "And this one's just going to be called random text.", 'start': 6760.484, 'duration': 2.502}], 'summary': 'Demonstrated file writing and error handling with specific examples.', 'duration': 26.975, 'max_score': 6736.011, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ46736011.jpg'}], 'start': 5842.638, 'title': 'Implementing functionality for pizza struct, handling errors in rust, and error handling in file operations', 'summary': 'Explains implementing functionality for a pizza struct, handling errors in rust, and error handling in file operations. it includes creating functions for the pizza struct, working with recoverable errors, and demonstrating successful file operations.', 'chapters': [{'end': 6233.232, 'start': 5842.638, 'title': 'Implementing functionality for pizza struct', 'summary': 'Explains the process of implementing functionality for a pizza struct, including creating functions to interact with it, defining default parameters, and simulating a restaurant experience using public functions.', 'duration': 390.594, 'highlights': ['The chapter explains the process of implementing functionality for a pizza struct, including creating functions to interact with it.', 'It defines default parameters for the pizza struct, such as dough, cheese, and toppings.', 'The chapter demonstrates the use of public functions to simulate a restaurant experience, including helping the customer, taking orders, and serving customers.']}, {'end': 6543.279, 'start': 6233.232, 'title': 'Handling errors in rust', 'summary': 'Discusses accessing functions and modules, handling recoverable errors with result and panic macro, and working with files while handling potential errors.', 'duration': 310.047, 'highlights': ['Accessing functions and modules The speaker explains how to access different functions and modules and demonstrates how to walk through the process of accessing them.', 'Handling recoverable errors with result and panic macro The transcript illustrates using result and panic macro in Rust to handle recoverable and unrecoverable errors, and the consequences of triggering a panic error.', 'Working with files while handling potential errors The chapter provides a hands-on example of handling potential errors while creating and working with files, using the match statement to handle the variants of result and potential errors.']}, {'end': 6762.986, 'start': 6543.319, 'title': 'Error handling in file operations', 'summary': 'Discusses error handling in file operations, including catching specific errors, writing to a file, and using unwrap to handle panics, offering alternative ways to handle errors and demonstrating successful writing and reading from a file.', 'duration': 219.667, 'highlights': ['Writing to the file and defining the panic error message that could be expected if there was a problem, using expect for error handling.', 'Using unwrap to ignore the result and return the desired output from the file, demonstrating an alternative way of handling errors.', "Catching specific errors by using create again to generate a file called 'random text', showcasing the ability to catch specific errors in file operations."]}], 'duration': 920.348, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ45842638.jpg', 'highlights': ['The chapter demonstrates the use of public functions to simulate a restaurant experience, including helping the customer, taking orders, and serving customers.', 'The chapter explains the process of implementing functionality for a pizza struct, including creating functions to interact with it.', 'It defines default parameters for the pizza struct, such as dough, cheese, and toppings.', 'Handling recoverable errors with result and panic macro in Rust to handle recoverable and unrecoverable errors, and the consequences of triggering a panic error.', 'Working with files while handling potential errors using the match statement to handle the variants of result and potential errors.', 'Writing to the file and defining the panic error message that could be expected if there was a problem, using expect for error handling.', "Catching specific errors by using create again to generate a file called 'random text', showcasing the ability to catch specific errors in file operations.", 'Accessing functions and modules, and demonstrating how to walk through the process of accessing them.']}, {'end': 7549.393, 'segs': [{'end': 6853.503, 'src': 'embed', 'start': 6803.697, 'weight': 0, 'content': [{'end': 6805.078, 'text': 'So, and you can look these up.', 'start': 6803.697, 'duration': 1.381}, {'end': 6808.84, 'text': "Of course, the situation will change depending on what you're looking for.", 'start': 6806.119, 'duration': 2.721}, {'end': 6811.662, 'text': "So let's say we have a not found error.", 'start': 6809.361, 'duration': 2.301}, {'end': 6822.302, 'text': "Well, then we can stack match and we'll say file create and we want to create our file.", 'start': 6812.748, 'duration': 9.554}, {'end': 6824.085, 'text': "And that's what that's going to do for us.", 'start': 6822.703, 'duration': 1.382}, {'end': 6829.522, 'text': 'And Then we can also stack additional errors here.', 'start': 6824.966, 'duration': 4.556}, {'end': 6834.527, 'text': 'So we can say, or additional matches here.', 'start': 6829.923, 'duration': 4.604}, {'end': 6837.55, 'text': "So we'll say, okay, if our file is created.", 'start': 6834.667, 'duration': 2.883}, {'end': 6839.531, 'text': 'So we said, hey, we want to get this file.', 'start': 6837.75, 'duration': 1.781}, {'end': 6841.233, 'text': "And it said, hey, we don't have that file.", 'start': 6839.571, 'duration': 1.662}, {'end': 6842.995, 'text': 'And he said, okay, I want to catch that file.', 'start': 6841.293, 'duration': 1.702}, {'end': 6844.636, 'text': 'Or I want to create that file.', 'start': 6843.415, 'duration': 1.221}, {'end': 6845.977, 'text': 'And then it said, okay, create it.', 'start': 6844.656, 'duration': 1.321}, {'end': 6851.923, 'text': "And now we're going to catch any errors that would come about by trying to create a file.", 'start': 6846.017, 'duration': 5.906}, {'end': 6853.503, 'text': "So we'll say panic.", 'start': 6852.483, 'duration': 1.02}], 'summary': 'Discussion on error handling and file creation with stack matching and panic.', 'duration': 49.806, 'max_score': 6803.697, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ46803697.jpg'}, {'end': 6912.269, 'src': 'embed', 'start': 6878.537, 'weight': 1, 'content': [{'end': 6886.379, 'text': 'And then after that we could go and do a catchall for any other potential errors that we might have.', 'start': 6878.537, 'duration': 7.842}, {'end': 6890.18, 'text': 'So we can just say other error.', 'start': 6886.899, 'duration': 3.281}, {'end': 6894.461, 'text': 'And in this situation also trigger panic.', 'start': 6890.2, 'duration': 4.261}, {'end': 6901.042, 'text': "And here we'll go problem opening file.", 'start': 6895.441, 'duration': 5.601}, {'end': 6912.269, 'text': 'And again to print out the error message colon question mark like this and whatever the error was in that circumstance.', 'start': 6903.203, 'duration': 9.066}], 'summary': 'Implement catchall for potential errors, trigger panic, and handle file opening problem.', 'duration': 33.732, 'max_score': 6878.537, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ46878537.jpg'}, {'end': 7114.496, 'src': 'embed', 'start': 7083.957, 'weight': 2, 'content': [{'end': 7092.157, 'text': 'alright, so there is just a little bit about iterators and I want to talk about something a little bit more cool, which is closures.', 'start': 7083.957, 'duration': 8.2}, {'end': 7093.578, 'text': 'Now, basically,', 'start': 7092.658, 'duration': 0.92}, {'end': 7105.749, 'text': 'a closure is a function without a name and they are more than likely going to be stored in a variable and they can be used to pass a function into another function.', 'start': 7093.578, 'duration': 12.171}, {'end': 7114.496, 'text': "And the basic layout for creating a closure is you're going to say let, and you can have a variable name.", 'start': 7106.269, 'duration': 8.227}], 'summary': 'Iterators and closures are functions that can be stored in variables and used to pass functions into other functions.', 'duration': 30.539, 'max_score': 7083.957, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ47083957.jpg'}, {'end': 7425.892, 'src': 'embed', 'start': 7396.289, 'weight': 3, 'content': [{'end': 7401.531, 'text': "And this isn't something that only works whenever you create a function in main, you can create this outside of main.", 'start': 7396.289, 'duration': 5.242}, {'end': 7404.371, 'text': "I'm just doing this just for convenience reasons.", 'start': 7401.551, 'duration': 2.82}, {'end': 7412.353, 'text': "Okay, so we'll go like this and then, if we want to pass in a function, we go like this and we'll label that as a generic,", 'start': 7404.891, 'duration': 7.462}, {'end': 7415.454, 'text': 'because we wanna be able to accept multiple different types.', 'start': 7412.353, 'duration': 3.101}, {'end': 7425.892, 'text': "And this is gonna return a integer 32 bit int and then you need to say where T and you're going to have.", 'start': 7415.934, 'duration': 9.958}], 'summary': 'Creating a generic function outside main to accept multiple types and return a 32-bit integer.', 'duration': 29.603, 'max_score': 7396.289, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ47396289.jpg'}], 'start': 6763.956, 'title': 'Error handling, file creation, and iterators', 'summary': "Covers error handling, file creation, iterators, and closures, emphasizing specific types of errors, file operations, and closures' functionality, including variable access and value changes.", 'chapters': [{'end': 6853.503, 'start': 6763.956, 'title': 'Error handling and file creation', 'summary': 'Discusses error handling and file creation by using the match function to handle specific types of errors and creating files, with an emphasis on catching and handling errors during file creation.', 'duration': 89.547, 'highlights': ['The chapter focuses on using the match function to handle specific types of errors and create files, demonstrating the approach to error handling with practical examples.', "It explains the process of handling 'not found' errors by using the match function to create a file and catch any errors that may occur during the file creation process.", 'The transcript emphasizes the importance of catching and handling errors that may arise during the file creation process, illustrating the practical application of error handling in programming.']}, {'end': 7549.393, 'start': 6854.004, 'title': 'Handling errors and iterators & closures', 'summary': 'Covers handling different types of errors while opening, writing, and reading files, as well as cycling through values using iterators and discussing closures, including creating, accessing variables, changing values, and passing closures to functions.', 'duration': 695.389, 'highlights': ['Handling Errors while opening, writing, and reading files The chapter discusses different ways of handling errors while opening, writing, and reading files, along with the demonstration of printing out the actual error message.', 'Cycling through values using iterators The chapter demonstrates creating mutable arrays and using iterators to cycle through values, along with their borrowing behavior and how consuming the collection affects its usability.', 'Understanding and creating closures The chapter explains closures as functions without a name, including creating closures, accessing variables outside their body, changing values, and passing closures to functions.', 'Creating functions inside the main function to accept multiple types The chapter showcases creating functions inside the main function to accept multiple types and demonstrates passing different functions into a function and having them automatically execute.', 'Demonstration of using smart pointers The chapter briefly mentions smart pointers, which are likely to be discussed in more detail in the subsequent content.']}], 'duration': 785.437, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ46763956.jpg', 'highlights': ['The chapter focuses on using the match function to handle specific types of errors and create files, demonstrating the approach to error handling with practical examples.', 'Handling Errors while opening, writing, and reading files The chapter discusses different ways of handling errors while opening, writing, and reading files, along with the demonstration of printing out the actual error message.', 'Understanding and creating closures The chapter explains closures as functions without a name, including creating closures, accessing variables outside their body, changing values, and passing closures to functions.', 'Creating functions inside the main function to accept multiple types The chapter showcases creating functions inside the main function to accept multiple types and demonstrates passing different functions into a function and having them automatically execute.', 'The transcript emphasizes the importance of catching and handling errors that may arise during the file creation process, illustrating the practical application of error handling in programming.']}, {'end': 8196.12, 'segs': [{'end': 7634.761, 'src': 'embed', 'start': 7591.565, 'weight': 0, 'content': [{'end': 7599.229, 'text': 'and basically, smart pointers just provide functionality beyond referencing a specific location in memory,', 'start': 7591.565, 'duration': 7.664}, {'end': 7606.233, 'text': "which would be different than with other programming languages, and on top of that, as you'll see later on,", 'start': 7599.229, 'duration': 7.004}, {'end': 7608.815, 'text': 'they can also be used to track the ownership of data.', 'start': 7606.233, 'duration': 2.582}, {'end': 7612.659, 'text': "Okay so, let's talk about box here first.", 'start': 7609.435, 'duration': 3.224}, {'end': 7621.348, 'text': "And what I want to do is I'm going to create what is called a binary tree data structure utilizing box.", 'start': 7612.719, 'duration': 8.629}, {'end': 7623.931, 'text': "So we're talking about box.", 'start': 7622.049, 'duration': 1.882}, {'end': 7627.034, 'text': "This is a smart pointer that specifically we're going to be looking at.", 'start': 7623.991, 'duration': 3.043}, {'end': 7632.199, 'text': 'And basically a box smart pointer just stores data on the heap instead of the stack.', 'start': 7627.435, 'duration': 4.764}, {'end': 7634.761, 'text': 'I talked about the difference between the heap and the stack previously.', 'start': 7632.239, 'duration': 2.522}], 'summary': 'Smart pointers provide memory functionality, like tracking ownership. box is a smart pointer storing data on the heap.', 'duration': 43.196, 'max_score': 7591.565, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ47591565.jpg'}, {'end': 7682.333, 'src': 'embed', 'start': 7655.375, 'weight': 1, 'content': [{'end': 7663.02, 'text': "And then you have your heap, and whenever you put that on the heap, you're going to request a certain amount of space,", 'start': 7655.375, 'duration': 7.645}, {'end': 7671.485, 'text': 'and then the operating system is going to find that amount of space somewhere in memory and allow you to store that information.', 'start': 7663.02, 'duration': 8.465}, {'end': 7682.333, 'text': 'Now a box is normally going to be used when you have a large amount of data that is stored on the heap and then you pass pointers to it on the stack.', 'start': 7671.766, 'duration': 10.567}], 'summary': 'Heap stores large data, os allocates space in memory, box used for passing pointers.', 'duration': 26.958, 'max_score': 7655.375, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ47655375.jpg'}, {'end': 7786.673, 'src': 'embed', 'start': 7758.436, 'weight': 3, 'content': [{'end': 7766.342, 'text': 'so maybe something like 35 and 40, and then these will have additional arms and it creates a tree, okay?', 'start': 7758.436, 'duration': 7.906}, {'end': 7772.889, 'text': 'So what I want to do is try to create a binary tree data structure inside of Rust.', 'start': 7766.582, 'duration': 6.307}, {'end': 7783.152, 'text': "so I have a left arm and I have a right arm where I'll store these, and this is going to store additional tree nodes inside of it.", 'start': 7772.889, 'duration': 10.263}, {'end': 7786.673, 'text': "so let's do that and then we're gonna have a left and a right.", 'start': 7783.152, 'duration': 3.521}], 'summary': 'Creating a binary tree data structure inside rust with 35-40 arms.', 'duration': 28.237, 'max_score': 7758.436, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ47758436.jpg'}, {'end': 7850.915, 'src': 'embed', 'start': 7826.138, 'weight': 4, 'content': [{'end': 7831.862, 'text': "but also we're gonna have other different errors here because Rust doesn't like null values.", 'start': 7826.138, 'duration': 5.724}, {'end': 7833.343, 'text': 'And, like I said,', 'start': 7832.482, 'duration': 0.861}, {'end': 7846.372, 'text': "if we have a tree and there is no additional node or value that is attached to the left or the right for our said tree which is definitely something that's gonna happen that's gonna trigger other types of errors.", 'start': 7833.343, 'duration': 13.029}, {'end': 7849.033, 'text': "But I'm gonna show you how you can use Box to sort of fix that.", 'start': 7846.432, 'duration': 2.601}, {'end': 7850.915, 'text': 'So how exactly do you fix it?', 'start': 7849.374, 'duration': 1.541}], 'summary': "Rust doesn't allow null values, using box to fix it.", 'duration': 24.777, 'max_score': 7826.138, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ47826138.jpg'}, {'end': 8196.12, 'src': 'embed', 'start': 8170.941, 'weight': 5, 'content': [{'end': 8178.788, 'text': 'and so that thread will not stop execution until it passes that information for the other active thread to execute all these other different problems.', 'start': 8170.941, 'duration': 7.847}, {'end': 8182.251, 'text': 'Well, Rust is going to handle a lot of these issues for us.', 'start': 8179.048, 'duration': 3.203}, {'end': 8187.674, 'text': "So what we're going to need to do is we're going to need to go in and get a couple more libraries.", 'start': 8182.831, 'duration': 4.843}, {'end': 8193.138, 'text': 'So standard and thread and use.', 'start': 8187.774, 'duration': 5.364}, {'end': 8196.12, 'text': "I'm going to have to work with time and so forth.", 'start': 8193.317, 'duration': 2.803}], 'summary': 'Rust will handle threading issues, requiring additional libraries for standard, thread, and time.', 'duration': 25.179, 'max_score': 8170.941, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ48170941.jpg'}], 'start': 7550.327, 'title': 'Smart pointers and binary trees in rust', 'summary': "Discusses the functionality of box smart pointer, its application in creating a binary tree data structure, and concurrent programming in rust, addressing memory problems and highlighting the use of libraries such as 'std' and 'thread'.", 'chapters': [{'end': 7758.436, 'start': 7550.327, 'title': 'Smart pointers: box and reference pointer', 'summary': 'Discusses the functionality of smart pointers, particularly the box smart pointer, which stores data on the heap instead of the stack, and its application in creating a binary tree data structure. it also emphasizes the difference between the heap and the stack and the usage of smart pointers to track ownership of data.', 'duration': 208.109, 'highlights': ['The box smart pointer stores data on the heap instead of the stack, making it suitable for large amounts of data passed as pointers on the stack. The box smart pointer is specifically designed to store data on the heap, making it useful for handling large amounts of data passed as pointers on the stack.', 'The chapter emphasizes the difference between the heap and the stack, providing an illustrative comparison to plates being stacked and accessed. The distinction between the heap and the stack is highlighted, using a clear analogy of plates being stacked and accessed, explaining their respective functionalities.', 'The usage of smart pointers for tracking ownership of data is introduced, demonstrating the advanced functionality they provide beyond referencing memory locations. Smart pointers are explained to go beyond referencing memory locations, offering advanced functionality for tracking the ownership of data.']}, {'end': 8196.12, 'start': 7758.436, 'title': 'Creating a binary tree in rust', 'summary': "Discusses creating a binary tree data structure inside of rust, addressing memory problems by using box to store additional tree nodes, and then explores concurrent programming in rust, highlighting the handling of common problems and the use of libraries such as 'std' and 'thread'.", 'duration': 437.684, 'highlights': ['The chapter discusses creating a binary tree data structure inside of Rust The speaker explains the process of creating a binary tree data structure inside Rust and the approach of using left and right arms to store additional tree nodes.', 'Addressing memory problems by using Box to store additional tree nodes The speaker addresses memory problems in Rust by using Box to store additional tree nodes, avoiding memory issues when tree nodes are deleted.', 'Exploration of concurrent programming in Rust and the handling of common problems The chapter explores concurrent programming in Rust and discusses how Rust handles common problems such as accessing data in the wrong order and threads getting blocked from executing.', "Use of libraries such as 'std' and 'thread' in concurrent programming The speaker mentions the use of libraries such as 'std' and 'thread' in Rust for concurrent programming, indicating the need for additional libraries to work with time and other functionalities."]}], 'duration': 645.793, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ47550327.jpg', 'highlights': ['The box smart pointer stores data on the heap, suitable for large data on the stack.', 'The distinction between the heap and the stack is highlighted, using a clear analogy.', 'Smart pointers go beyond referencing memory locations, offering advanced functionality.', 'Creating a binary tree data structure inside Rust using left and right arms.', 'Addressing memory problems in Rust by using Box to store additional tree nodes.', 'Exploration of concurrent programming in Rust and handling common problems.', "Use of libraries such as 'std' and 'thread' in concurrent programming."]}, {'end': 9310.042, 'segs': [{'end': 8250.116, 'src': 'embed', 'start': 8196.16, 'weight': 0, 'content': [{'end': 8200.743, 'text': "So I'm going to need to go and get time and duration also.", 'start': 8196.16, 'duration': 4.583}, {'end': 8204.366, 'text': "And that's giving me an error.", 'start': 8201.724, 'duration': 2.642}, {'end': 8207.468, 'text': "And that's because I didn't put this extra colon inside of here.", 'start': 8204.766, 'duration': 2.702}, {'end': 8208.028, 'text': 'All right.', 'start': 8207.768, 'duration': 0.26}, {'end': 8208.989, 'text': 'So there we are.', 'start': 8208.489, 'duration': 0.5}, {'end': 8210.49, 'text': 'So we got that set up.', 'start': 8209.349, 'duration': 1.141}, {'end': 8211.891, 'text': 'We have the libraries to work with.', 'start': 8210.53, 'duration': 1.361}, {'end': 8217.323, 'text': "Now again I'm going to sort of have errors occur here and then I'll sort of cover them.", 'start': 8212.321, 'duration': 5.002}, {'end': 8220.144, 'text': "But first let's just make it a little bit simple.", 'start': 8217.743, 'duration': 2.401}, {'end': 8229.869, 'text': "Let's go and create a thread and a main thread and execute and you'll be able to see how they trade off time.", 'start': 8220.263, 'duration': 9.606}, {'end': 8233.61, 'text': "So to create a thread we're going to use spawn.", 'start': 8230.269, 'duration': 3.341}, {'end': 8237.812, 'text': "So we're going to say thread and spawn like that.", 'start': 8234.03, 'duration': 3.782}, {'end': 8241.67, 'text': 'And this is actually going to have a closure inside of it.', 'start': 8238.707, 'duration': 2.963}, {'end': 8243.37, 'text': 'So there is our closure.', 'start': 8241.79, 'duration': 1.58}, {'end': 8250.116, 'text': "And I'm going to cycle through and have it share outputting information to the screen.", 'start': 8243.391, 'duration': 6.725}], 'summary': 'Setting up libraries for thread execution, using spawn to create a thread, and cycling through a closure for outputting information.', 'duration': 53.956, 'max_score': 8196.16, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ48196160.jpg'}, {'end': 8379.248, 'src': 'embed', 'start': 8353.066, 'weight': 6, 'content': [{'end': 8357.789, 'text': 'So we have our main thread is going to execute and it prints out one.', 'start': 8353.066, 'duration': 4.723}, {'end': 8361.311, 'text': 'then you have the spawn thread main and then you have the spawn prints twice.', 'start': 8357.789, 'duration': 3.522}, {'end': 8367.955, 'text': 'then the main prints two times and then it goes down and it gets down to the spawn thread, prints out the 20..', 'start': 8361.311, 'duration': 6.644}, {'end': 8369.896, 'text': 'But you may say to yourself wait a minute.', 'start': 8367.955, 'duration': 1.941}, {'end': 8371.617, 'text': 'this is supposed to print out 25 times.', 'start': 8369.896, 'duration': 1.721}, {'end': 8375.599, 'text': 'it only prints out 20 times and this does print out the.', 'start': 8371.617, 'duration': 3.982}, {'end': 8379.248, 'text': "actually it prints up to 20, but doesn't include 20..", 'start': 8375.599, 'duration': 3.649}], 'summary': 'Main thread prints 2, spawn thread prints 20, supposed to print 25 times.', 'duration': 26.182, 'max_score': 8353.066, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ48353066.jpg'}, {'end': 8419.922, 'src': 'embed', 'start': 8396.554, 'weight': 1, 'content': [{'end': 8406.338, 'text': "So we're going to say thread1.join, and then What join's going to do?", 'start': 8396.554, 'duration': 9.784}, {'end': 8411.04, 'text': "is it's going to make sure that both of our threads are going to be able to complete.", 'start': 8406.338, 'duration': 4.702}, {'end': 8416.962, 'text': "And then after this, we're going to call unwrap, which we've seen also before.", 'start': 8411.62, 'duration': 5.342}, {'end': 8419.922, 'text': "And that's just going to handle the result that's passed back.", 'start': 8417.562, 'duration': 2.36}], 'summary': 'Using thread1.join ensures completion of both threads, followed by handling the result with unwrap.', 'duration': 23.368, 'max_score': 8396.554, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ48396554.jpg'}, {'end': 8465.374, 'src': 'embed', 'start': 8443.444, 'weight': 2, 'content': [{'end': 8451.948, 'text': "But let's go and actually see what this looks like by actually using sort of a real world example.", 'start': 8443.444, 'duration': 8.504}, {'end': 8460.392, 'text': 'So what I want to do is I want to sort of create a bank account and then have multiple different customers all try to withdraw money from said bank account.', 'start': 8452.328, 'duration': 8.064}, {'end': 8461.972, 'text': "So I'm going to keep this very simple.", 'start': 8460.712, 'duration': 1.26}, {'end': 8465.374, 'text': "This is just going to be a struct and it's going to be called bank.", 'start': 8462.292, 'duration': 3.082}], 'summary': 'Creating a bank account for multiple customers to withdraw money.', 'duration': 21.93, 'max_score': 8443.444, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ48443444.jpg'}, {'end': 8805.123, 'src': 'embed', 'start': 8775.53, 'weight': 3, 'content': [{'end': 8782.853, 'text': "And another thing we're going to need is an atomic reference counter, which is going to provide shared ownership of a value.", 'start': 8775.53, 'duration': 7.323}, {'end': 8785.114, 'text': "So we'll use like this.", 'start': 8783.413, 'duration': 1.701}, {'end': 8789.796, 'text': "And we'll get arc reference.", 'start': 8786.354, 'duration': 3.442}, {'end': 8794.738, 'text': "And then also we'll use mutex.", 'start': 8791.116, 'duration': 3.622}, {'end': 8800.22, 'text': 'And mutex is going to block threads that are waiting for lock to be available.', 'start': 8795.358, 'duration': 4.862}, {'end': 8801.981, 'text': 'And this is in standard.', 'start': 8800.661, 'duration': 1.32}, {'end': 8804.242, 'text': 'Whoops, forgot to put standard inside of there.', 'start': 8802.261, 'duration': 1.981}, {'end': 8805.123, 'text': 'There we go.', 'start': 8804.262, 'duration': 0.861}], 'summary': 'Implementing atomic reference counter and mutex for shared value ownership.', 'duration': 29.593, 'max_score': 8775.53, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ48775530.jpg'}, {'end': 9188.272, 'src': 'embed', 'start': 9155.341, 'weight': 4, 'content': [{'end': 9159.224, 'text': 'That is a rundown of countless numbers of different things with Rust.', 'start': 9155.341, 'duration': 3.883}, {'end': 9162.506, 'text': 'Like anything, just work through the problem.', 'start': 9159.604, 'duration': 2.902}, {'end': 9174.565, 'text': 'Experiment and then go on to the documentation and check it out and look for some of the different functions that I was just unable to cover just because of time limitations,', 'start': 9162.586, 'duration': 11.979}, {'end': 9180.988, 'text': 'but I think this will give you a big jump start when it comes to learning how to get very good at Rust.', 'start': 9174.565, 'duration': 6.423}, {'end': 9188.272, 'text': 'As per installing Rust, all you do is go to rust-lang.org and tools.', 'start': 9181.749, 'duration': 6.523}], 'summary': 'Learn rust by experimenting, exploring documentation, and using countless functions for a big jump start. install rust from rust-lang.org.', 'duration': 32.931, 'max_score': 9155.341, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ49155341.jpg'}, {'end': 9308.34, 'src': 'heatmap', 'start': 9217.544, 'weight': 1, 'content': [{'end': 9225.945, 'text': 'Then what you want to do is you could go to rustup.rs and you just click on this little executable that comes up right here.', 'start': 9217.544, 'duration': 8.401}, {'end': 9228.966, 'text': "If you're on Windows, this is going to try to protect you.", 'start': 9226.145, 'duration': 2.821}, {'end': 9229.786, 'text': 'Say run anyway.', 'start': 9229.006, 'duration': 0.78}, {'end': 9238.089, 'text': "and you're going to automatically open up your command prompt and a whole bunch of things are going to execute.", 'start': 9230.647, 'duration': 7.442}, {'end': 9244.812, 'text': "You're going to proceed with installation and then a whole bunch of different things are going to be downloaded and installed for you.", 'start': 9238.149, 'duration': 6.663}, {'end': 9247.933, 'text': "Then what you're going to want to do is go into Visual Studio.", 'start': 9244.832, 'duration': 3.101}, {'end': 9252.474, 'text': 'This is going to apply to Mac as well as Linux users if you want to use Visual Studio Code.', 'start': 9247.993, 'duration': 4.481}, {'end': 9258.505, 'text': "You go click on Extensions, just type in Rust, and you're going to see Rust Analyzer show up as one of the options.", 'start': 9252.841, 'duration': 5.664}, {'end': 9262.307, 'text': "You're just going to click on Install, and here is Rust Analyzer.", 'start': 9258.525, 'duration': 3.782}, {'end': 9263.948, 'text': 'Everything has been installed.', 'start': 9262.487, 'duration': 1.461}, {'end': 9265.569, 'text': 'This is going to handle everything for you.', 'start': 9263.988, 'duration': 1.581}, {'end': 9272.832, 'text': 'Then if you want to verify that Rust has been installed, you can open up your command prompt, type in rustc...version.', 'start': 9266.009, 'duration': 6.823}, {'end': 9275.095, 'text': 'You should see something along these lines.', 'start': 9272.873, 'duration': 2.222}, {'end': 9279.635, 'text': 'Anytime you want to update Rust, you can just type in rust up update.', 'start': 9275.672, 'duration': 3.963}, {'end': 9285.419, 'text': 'And then of course, if you want to create a new Rust project, you just type in cargo new, whatever you want to call it.', 'start': 9279.995, 'duration': 5.424}, {'end': 9289.903, 'text': 'You can see the directory structure that we have inside of here, just like we did previously.', 'start': 9285.439, 'duration': 4.464}, {'end': 9296.047, 'text': "And of course, if you open up that code or that project inside of Visual Studio Code, you'll get your hello world.", 'start': 9289.923, 'duration': 6.124}, {'end': 9298.489, 'text': 'And then you can execute it just by clicking on run.', 'start': 9296.428, 'duration': 2.061}, {'end': 9299.49, 'text': 'So there you go.', 'start': 9298.509, 'duration': 0.981}, {'end': 9305.215, 'text': 'Everything I got on Rust, if you want additional information, leave it in the comments down below.', 'start': 9300.188, 'duration': 5.027}, {'end': 9308.34, 'text': 'And like always, please leave questions and comments down below.', 'start': 9305.295, 'duration': 3.045}], 'summary': 'Install rust using rustup.rs, verify with rustc...version, update with rustup update, and create projects with cargo new.', 'duration': 90.796, 'max_score': 9217.544, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ49217544.jpg'}], 'start': 8196.16, 'title': 'Concurrency in rust and python', 'summary': "Covers error handling, thread creation in python, non-synchronous thread execution, concurrency in rust with bank transactions. it demonstrates spawn and 'join' usage, concurrency implementation, and smart pointers arc and mutex. it provides installation instructions and learning recommendations for rust.", 'chapters': [{'end': 8250.116, 'start': 8196.16, 'title': 'Error handling and thread creation', 'summary': 'Covers the setup of libraries for error handling and thread creation, demonstrating the use of spawn to create a thread with a closure that outputs information to the screen.', 'duration': 53.956, 'highlights': ['The setup of libraries for error handling and thread creation is covered, with the identification and resolution of an error related to time and duration.', 'Demonstration of using spawn to create a thread with a closure that outputs information to the screen is provided.']}, {'end': 8442.968, 'start': 8250.136, 'title': 'Understanding thread execution in python', 'summary': "Explores how threads in python may not necessarily execute in a synchronous manner, demonstrated through a code example where the spawn thread prints 20 times instead of the expected 25, highlighting the lack of guarantees on thread execution and the use of 'join' to ensure completion.", 'duration': 192.832, 'highlights': ['Threads in Python may not execute synchronously, as demonstrated by the spawn thread printing 20 times instead of the expected 25. The spawn thread prints 20 times instead of the expected 25, showcasing the lack of synchronous execution in Python threads.', 'The lack of guarantees on when threads will execute and if they will complete execution in the current form is emphasized. The lack of guarantees on thread execution and completion is emphasized, highlighting the non-deterministic nature of thread execution in Python.', "The utilization of 'join' to ensure that both threads complete execution is demonstrated. The usage of 'join' to ensure completion of both threads is demonstrated, showcasing a method to guarantee thread execution in Python."]}, {'end': 9310.042, 'start': 8443.444, 'title': 'Concurrency in rust with bank transactions', 'summary': 'Explains the implementation of concurrency in rust using a bank account example, showcasing the creation of a bank struct, handling withdrawals, demonstrating concurrency with customers trying to withdraw money, and addressing issues with borrowing and thread outliving the main function. it also covers the use of smart pointers such as arc and mutex, along with the necessary libraries for implementing concurrency. the chapter concludes with installation instructions and recommendations for learning rust.', 'duration': 866.598, 'highlights': ['The chapter explains the implementation of concurrency in Rust using a bank account example. The chapter demonstrates the creation of a bank struct, handling withdrawals, demonstrating concurrency with customers trying to withdraw money, and addressing issues with borrowing and thread outliving the main function.', 'The chapter covers the use of smart pointers such as Arc and Mutex, along with the necessary libraries for implementing concurrency. The chapter explains the use of smart pointers like Arc, providing shared ownership of a value, and Mutex, which blocks threads from accessing until available, along with the necessary libraries for implementing concurrency.', 'The chapter concludes with installation instructions and recommendations for learning Rust. The chapter provides installation instructions for Rust, including obtaining Rust tools, using Visual Studio Code with Rust Analyzer, verifying the Rust installation, updating Rust, creating a new Rust project with cargo, and executing a Rust project.']}], 'duration': 1113.882, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/ygL_xcavzQ4/pics/ygL_xcavzQ48196160.jpg', 'highlights': ['Demonstration of using spawn to create a thread with a closure that outputs information to the screen is provided.', "The utilization of 'join' to ensure that both threads complete execution is demonstrated.", 'The chapter explains the implementation of concurrency in Rust using a bank account example.', 'The chapter covers the use of smart pointers such as Arc and Mutex, along with the necessary libraries for implementing concurrency.', 'The chapter concludes with installation instructions and recommendations for learning Rust.', 'The setup of libraries for error handling and thread creation is covered, with the identification and resolution of an error related to time and duration.', 'Threads in Python may not execute synchronously, as demonstrated by the spawn thread printing 20 times instead of the expected 25.']}], 'highlights': ['Rust excels in concurrent programming, with its compiler pointing out many possible concurrent programming problems at compile time and providing clear error messages.', 'Rust provides high performance similar to C++ and is excellent at reducing memory-related errors, making it very attractive due to its ability to prevent security breaches.', 'Rust programs tend to require much less memory compared to other languages.', 'Garbage collection is not necessary in Rust, which is a significant advantage for memory safety and security.', 'The match statement is emphasized as an essential tool for conditional logic and error handling, allowing different code to run based on specific conditions.', "The syntax for creating a function in Rust starts with 'fn', followed by the function name and parentheses for parameters, and is enclosed by opening and curling braces.", "The 'print line' function is a macro in Rust, identifiable by the presence of an exclamation mark, and it is used to print text onto the screen.", "Mutable variables in Rust are defined using the 'mutable' keyword, allowing values to change by default.", 'The chapter covers setting up a Rust project, including creating a Git repository, source directory, and TOML file.', 'The process of multiplying every value in a vector by 2 is demonstrated using a for loop and mutable references, showcasing practical coding techniques.', 'Working with generic types and their usage in Rust functions is covered It covers the concept of generic types in Rust, their usage in creating functions that can work with multiple data types, and their applicability with structs, enums, and traits, with examples illustrating their usage and functionality.', 'The chapter emphasizes the importance of organizing code into packages, crates, and modules, explaining their roles in code organization, privacy control, and sharing of code.', 'The chapter demonstrates the use of public functions to simulate a restaurant experience, including helping the customer, taking orders, and serving customers.', 'Handling recoverable errors with result and panic macro in Rust to handle recoverable and unrecoverable errors, and the consequences of triggering a panic error.', 'The box smart pointer stores data on the heap, suitable for large data on the stack.', 'Demonstration of using spawn to create a thread with a closure that outputs information to the screen is provided.', 'The chapter explains the implementation of concurrency in Rust using a bank account example.', 'The chapter concludes with installation instructions and recommendations for learning Rust.']}