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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 | 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) | [I](#I) | [J](#J) | [K](#K) | [L](#L) | [M](#M) |
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| [N](#N) | [O](#O) | [P](#P) | [Q](#Q) | [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]: https://course.rs/basic/base-type/function.html#永不返回的函数
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[2]: 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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| [布尔] | bool | `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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[布尔]: https://course.rs/basic/base-type/char-bool.html#布尔bool
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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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| [常量] | const | const MAX_POINTS: u32 = 100_000; |
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| C | KWC | CIntroduction |
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[常量]: https://course.rs/basic/variable.html#变量和常量之间的差异
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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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| H | KWH | HIntroduction |
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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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| M | KWM | MIntroduction |
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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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| R | KWR | RIntroduction |
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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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| [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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| S | KWS | SIntroduction |
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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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## 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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| [序列] | Range | 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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| X | KWX | XIntroduction |
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[序列]: https://course.rs/basic/base-type/numbers.html#序列range
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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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| Y | KWY | YIntroduction |
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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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| [字符类型] | char | 使用 `''` 表示，所有的 Unicode 值 |
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| Z | KWZ | ZIntroduction |
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[字符类型]: https://course.rs/basic/base-type/char-bool.html#字符类型char
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[back](#head)
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