GitHub - sunface/rust-by-practice: Learning Rust By Practice, narrowing the gap between beginner an

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Practice Rust with challenging examples, exercises and projects

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This book was designed for easily diving into and getting skilled with Rust It's very easy to use. All you need to do is to make each exercise compile without ERRORS and Panics!

Reading online


Part of our examples and exercises are borrowed from Rust By Example, thanks for your great works!

Although they are so awesome, we have our own secret weapons :)

  • There are three parts in each chapter: examples, exercises and practices

  • Besides examples, we have a lot of exercises, you can Read, Edit and Run them ONLINE

  • Covering nearly all aspects of Rust, such as async/await, threads, sync primitives, optimizing, standard libraries, tool chain, data structures and algorithms etc.

  • Every exercise has its own solutions

  • The overall difficulties are a bit higher and from easy to super hard: easy 🌟 medium 🌟🌟 hard 🌟🌟🌟 super hard 🌟🌟🌟🌟

What we want to do is fill in the gap between learning and getting started with real projects.

🏅 Contributors

Thanks to all of our contributors!

🏆 Special thanks to our English editor:


Running locally

We use mdbook building our exercises. You can run locally with below steps:

  • Clone the repo
$ git clone
  • Install mdbook using Cargo
$ cargo install mdbook
  • For Book in English
$ cd rust-by-practice && mdbook serve en/
  • For Book in Chinese
$ cd rust-by-practice && mdbook serve zh-CN/

Some of our exercises

🌟🌟🌟 Tuple struct looks similar to tuples, it has added meaning the struct name provides but has no named fields. It's useful when you want give the whole tuple a name, but don't care the fields's names.

// fix the error and fill the blanks
struct Color(i32, i32, i32);
struct Point(i32, i32, i32);
fn main() {
    let v = Point(___, ___, ___);

fn check_color(p: Color) {
    let (x, _, _) = p;
    assert_eq!(x, 0);
    assert_eq!(p.1, 127);
    assert_eq!(___, 255);

🌟🌟 Within the destructuring of a single variable, both by-move and by-reference pattern bindings can be used at the same time. Doing this will result in a partial move of the variable, which means that parts of the variable will be moved while other parts stay. In such a case, the parent variable cannot be used afterwards as a whole, however the parts that are only referenced (and not moved) can still be used.

// fix errors to make it work
struct File {
    name: String,
    data: String,
fn main() {
    let f = File {
        name: String::from(""),
        data: "Rust By Practice".to_string()

    let _name =;

    // ONLY modify this line
    println!("{}, {}, {:?}",,, f);

🌟🌟 A match guard is an additional if condition specified after the pattern in a match arm that must also match, along with the pattern matching, for that arm to be chosen.

// fill in the blank to make the code work, `split` MUST be used
fn main() {
    let num = Some(4);
    let split = 5;
    match num {
        Some(x) __ => assert!(x < split),
        Some(x) => assert!(x >= split),
        None => (),