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# Rust 练习题
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- English: [https://exercise.rs](https://exercise.rs)
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- 简体中文: [https://zh.exercise.rs](https://zh.exercise.rs)
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欢迎大家来到 `exercise.rs`,在来到这里之前不知道你有没有碰到过以下问题:
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- 学完知识,想要针对性的练习,但是只能找到一些不痛不痒的习题
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如果你曾经和我有一样的问题,那来到这里就对了:**在这里你能找到大量从简单到困难的 Rust 练习题,不仅能针对性巩固你所学过的知识,解决 Rust 语言难以上手应用的问题**。
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## 在线阅读
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本书同时提供了中文和英文版本:
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- English: [https://exercise.rs](https://exercise.rs)
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- 简体中文: [https://zh.exercise.rs](https://zh.exercise.rs)
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## 关于练习题的说明
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- 我们的练习只有一个目的:那就是让编译通过,但是你需要注意相应的提示,例如删除所有代码也可以让练习通过
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- 难度等级: 简单: 🌟 中等: 🌟🌟 困难: 🌟🌟🌟 地狱: 🌟🌟🌟🌟
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- 一切都在线化: 阅读、编辑和测试代码,当然还包括错误提示
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- 每一道练习题都只有一个目的:那就是让编译通过,但是你需要注意相应的提示,例如删除所有代码也可以让练习通过
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- 难度等级: 简单: 🌟 中等: 🌟🌟 困难: 🌟🌟🌟 地狱: 🌟🌟🌟🌟
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## 欢迎你,贡献者
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本项目欢迎一切贡献者,特别是怀揣题库的兄弟,你所贡献的每一道题都会注明你的昵称和个人链接,是时候让全世界看看咱的风采了。
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@@ -27,7 +27,7 @@ fn print_char(c : char) {
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}
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```
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### Bool
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### 布尔
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🌟
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```rust, editable
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```
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### Unit type
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### 单元类型
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🌟🌟
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```rust,editable
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# Statements and Expressions
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### Examples
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```rust,editable
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fn main() {
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let x = 5u32;
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let y = {
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let x_squared = x * x;
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let x_cube = x_squared * x;
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// This expression will be assigned to `y`
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x_cube + x_squared + x
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};
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let z = {
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// The semicolon suppresses this expression and `()` is assigned to `z`
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2 * x;
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};
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println!("x is {:?}", x);
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println!("y is {:?}", y);
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println!("z is {:?}", z);
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}
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```
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### exercises
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🌟🌟
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```rust,editable
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// make it work with two ways: both modify the inner {}
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fn main() {
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let v = {
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let mut x = 1;
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x += 2
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};
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assert_eq!(v, 3);
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}
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```
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🌟
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```rust,editable
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fn main() {
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let v = (let x = 3);
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assert!(v == 3);
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}
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```
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🌟
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```rust,editable
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fn main() {}
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fn sum(x: i32, y: i32) -> i32 {
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x + y;
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}
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```
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