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# 快速查询入口
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<<Rust 语言圣经>> 既然自诩为 Rust 日常开发工具书,那就得有工具书的样子,如果没有了快速索引查询的功能,也就没有了灵魂。
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因此我们决定在这里提供一个对全书内容进行快速索引的途径。理论上来说,**你想查的任何东西在这里都可以快速的被找到并能进入相应的章节查看详细的介绍**。
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可能大家会有疑问,不是有站内搜索功能嘛?是的,但是尴尬的是:首先它不支持中文,其次就算支持了中文,也一样不好用,我们需要的是快速精准地找到内容而不是模糊的查询内容。
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# 索引列表 doing
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<a id="head"></a>
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| NN | NN | NN | NN | NN | NN | NN | NN | NN |
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| :---------: | :-----: | :-----: | :-----: | :-----: | :-----: | :-----: | :-----: | :-----: |
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| [Sym](#Sym) | [A](#A) | [B](#B) | [C](#C) | [D](#D) | [E](#E) | [F](#F) | [G](#G) | [H](#H) |
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| [I](#I) | [J](#J) | [K](#K) | [L](#L) | [M](#M) | [N](#N) | [O](#O) | [P](#P) | [Q](#Q) |
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| [R](#R) | [S](#S) | [T](#T) | [U](#U) | [V](#V) | [W](#W) | [X](#X) | [Y](#Y) | [Z](#Z) |
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## Sym
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| 名称 | 关键字 | 简介 |
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| ----------------------- | ------------ | -------------------------- |
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| [?] | 错误传播 | 用于简化错误传播 |
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| [()] | 单元类型 | 单元类型,无返回值 |
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| `!` : [1 函数] [2 类型] | 永不返回 | 永不返回 |
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| [@] | 变量绑定 | 为一个字段绑定另外一个变量 |
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| ['a: 'b] | 生命周期约束 | |
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| A | | AIntroduction |
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[?]: https://course.rs/basic/result-error/result.html#传播界的大明星-
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[()]: https://course.rs/basic/base-type/function.html#无返回值
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[1 函数]: https://course.rs/basic/base-type/function.html#永不返回的函数
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[2 类型]: https://course.rs/advance/into-types/custom-type.html#永不返回类型
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[@]: https://course.rs/basic/match-pattern/all-patterns.html#绑定
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['a: 'b]: https://course.rs/advance/lifetime/advance.html#生命周期约束-hrtb
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[back](#head)
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## A
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| A | KWA | AIntroduction |
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[back](#head)
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## B
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| 名称 | 关键字 | 简介 |
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| ------------ | --------- | -------------------------------------- |
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| [变量遮蔽] | shadowing | 允许声明相同的变量名,后者会遮蔽掉前者 |
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| [变量作用域] | 所有权 | 作用域是一个变量在程序中有效的范围 |
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| [表达式] | | 进行求值,结尾无 `;`,有返回值 |
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| [bool 布尔] | 布尔类型 | `true` `false`,占用 1 字节 |
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| B | KWB | BIntroduction |
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[变量遮蔽]: https://course.rs/basic/variable.html#变量遮蔽shadowing
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[变量作用域]: https://course.rs/basic/ownership/ownership.html#变量作用域
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[bool 布尔]: https://course.rs/basic/base-type/char-bool.html#布尔bool
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[表达式]: https://course.rs/basic/base-type/statement-expression.html#表达式
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[back](#head)
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## C
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| 名称 | 关键字 | 简介 |
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| ------------ | -------- | ----------------------------------------------------------------------------------- |
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| [char 字符] | 字符类型 | 使用 `''` 表示,所有的 Unicode 值 |
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| [const 常量] | constant | const MAX_POINTS: u32 = 100_000; |
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| [Copy 拷贝] | 浅拷贝 | 任何基本类型的组合可以 `Copy`,不需要分配内存或某种形式资源的类型是可以 `Copy` 的。 |
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| [Clone 克隆] | 深拷贝 | 需要复制堆上的数据时,可以使用 `.clone()` 方法 |
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| C | KWC | CIntroduction |
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[char 字符]: https://course.rs/basic/base-type/char-bool.html#字符类型char
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[const 常量]: https://course.rs/basic/variable.html#变量和常量之间的差异
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[copy 拷贝]: https://course.rs/basic/ownership/ownership.html#拷贝浅拷贝
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[clone 克隆]: https://course.rs/basic/ownership/ownership.html#克隆深拷贝
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[back](#head)
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## D
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| D | KWD | DIntroduction |
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[back](#head)
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## E
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| E | KWE | EIntroduction |
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[back](#head)
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## F
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| 名称 | 关键字 | 简介 |
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| -------- | -------- | -------------------------- |
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| [浮点数] | 数值类型 | `f32` <br> `f64`(默认类型) |
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| F | KWF | FIntroduction |
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[浮点数]: https://course.rs/basic/base-type/numbers.html#浮点类型
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[back](#head)
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## G
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| G | KWG | GIntroduction |
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[back](#head)
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## H
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| 名称 | 关键字 | 简介 |
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| ------ | ------ | ------------------------------------------------------------------------------------------------- |
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| [函数] | `fn` | 函数名和变量名使用 `蛇形命名法(snake case)`<br>函数的位置可以随便放<br>每个函数参数都需要标注类型 |
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| H | KWH | HIntroduction |
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[函数]: https://course.rs/basic/base-type/function.html
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[back](#head)
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## I
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| I | KWI | IIntroduction |
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[back](#head)
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## J
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| J | KWJ | JIntroduction |
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[back](#head)
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## K
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| K | KWK | KIntroduction |
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[back](#head)
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## L
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| 名称 | 关键字 | 简介 |
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| --------- | -------- | --------------------------- |
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| [let] | 变量绑定 | let x : u32 = 5; |
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| [let mut] | 可变变量 | let mut x : u32 = 5; x = 9; |
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| L | KWL | LIntroduction |
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[let]: https://course.rs/basic/variable.html#变量绑定
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[let mut]: https://course.rs/basic/variable.html#变量可变性
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[back](#head)
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## M
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| 名称 | 关键字 | 简介 |
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| ----------- | ---------- | ----------------------------------------------------- |
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| [move 移动] | 转移所有权 | `let s2 = s1;`<br>`s1` 所有权转移给了 `s2`,`s1` 失效 |
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| M | KWM | MIntroduction |
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[move 移动]: https://course.rs/basic/ownership/ownership.html#转移所有权
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[back](#head)
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## N
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| N | KWN | NIntroduction |
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[back](#head)
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## O
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| O | KWO | OIntroduction |
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[back](#head)
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## P
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| P | KWP | PIntroduction |
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[back](#head)
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## Q
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| Q | KWQ | QIntroduction |
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[back](#head)
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## R
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| 名称 | 关键字 | 简介 |
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| ------------ | ------ | ---------------------------------------------------------------------------------- |
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| [Range 序列] | | 生成连续的数值<br> 只允许用于数字或字符类型<br> `..` 右半开区间 <br>`..=` 闭合区间 |
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| R | KWR | RIntroduction |
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[range 序列]: https://course.rs/basic/base-type/numbers.html#序列range
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[back](#head)
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## S
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| 名称 | 关键字 | 简介 |
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| -------------- | ------ | ------------------------------------------------------------------------------------------------------ |
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| [所有权与堆栈] | | Rust 所有权提供的强大保障 |
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| [所有权原则] | | Rust 中每一个值都 `有且只有` 一个所有者(变量)<br> 当所有者(变量)离开作用域范围时,这个值将被丢弃(drop) |
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| S | KWS | SIntroduction |
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[所有权与堆栈]: https://course.rs/basic/ownership/ownership.html#所有权与堆栈
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[所有权原则]: https://course.rs/basic/ownership/ownership.html#所有权原则
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[back](#head)
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## T
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| T | KWT | TIntroduction |
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[back](#head)
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## U
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| U | KWU | UIntroduction |
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[back](#head)
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## V
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| V | KWV | VIntroduction |
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[back](#head)
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## W
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| W | KWW | WIntroduction |
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[back](#head)
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## X
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| 名称 | 关键字 | 简介 |
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| ---- | ------ | ------------- |
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| X | KWX | XIntroduction |
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[back](#head)
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## Y
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| 名称 | 关键字 | 简介 |
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| ------ | ------ | ---------------------------------------------------- |
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| [语句] | | 完成一个操作,结尾有 `;` ,无返回值,如 `let x = 9;` |
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| Y | KWY | YIntroduction |
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[语句]: https://course.rs/basic/base-type/statement-expression.html#语句
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[back](#head)
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## Z
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| 名称 | 关键字 | 简介 |
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| ------------ | -------- | ---------------------------------------------------------------------------------------------------------------- |
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| [整数] | 数值类型 | 有符号整数,`i8`,`i16`,`i32`,`i64`,`i128`,`isize`<br>无符号整数,`u8`,`u16`,`u32`,`u64`,`u128`,`usize` |
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| [整形字面量] | 进制书写 | 十进制 `98_222`<br>十六进制 `0xff`<br>八进制 `0o77`<br>二进制 `0b1111_0000`<br>字节(仅限于`u8`) `b'A'` |
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| Z | KWZ | ZIntroduction |
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[整数]: https://course.rs/basic/base-type/numbers.html#整数类型
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[整形字面量]: https://course.rs/basic/base-type/numbers.html#整数类型
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[back](#head)
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