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2.3 中的 typeof 不是 C++ 中的标准特性 #286

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@frederick-vs-ja

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  • File Path: book/en-us/02-usability.md
  • Original paragraph: 2.3
The `decltype` keyword is used to solve the defect that the auto keyword can only type the variable. Its usage is very similar to `typeof`:

typeof is a common extension provided by many compilers, but is no yet standardized in C++. It is recently standardized in C (see WG14 N2927).

We should consider how to mention typeof.

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实际描述

  • 文件路径:book/en-us/02-usability.md
  • 原文段落:2.3
`decltype` 关键字是为了解决 `auto` 关键字只能对变量进行类型推导的缺陷而出现的。它的用法和 `typeof` 很相似:

typeof 是许多编译器提供的常见扩展,但未在 C++ 标准化。它最近在 C 中被标准化(见 WG14 N2927)。

我们应考虑如何提及 typeof

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