什么是自动包围列表语法? [英] What is the auto Bracketed List Syntax?
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问题描述
auto [x, y] = div_t{ 1, 0 };
从答案中的代码看起来像是领带
用于 div_t
结构。我希望有人可以解释这里发生的事情。完整的功能代码如下:
From the code in the answer it looks like that's like a tie
for the div_t
struct. I was hoping that someone could explain what was going on here. The complete function code was as follows:
constexpr bool first_quot() {
auto [x, y] = std::div_t{1, 0};
(void)y;
return x;
}
推荐答案
= http://open-std.org/JTC1/SC22/WG21/docs/papers/2016/n4618.pdf rel = nofollow noreferrer> C ++ 17规范的最新草案称为分解声明,在第8.5节[dcl.decomp]中进行了定义。
In the most most recent draft of the C++17 specification it's called "Decomposition declarations" and is defined in section 8.5 [dcl.decomp].
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