std::chrono::operator==(std::chrono::weekday_last)
来自 cppreference.cn
< cpp | chrono | weekday last
定义于头文件 <chrono> |
||
constexpr bool operator==( const std::chrono::weekday_last& x, const std::chrono::weekday_last& y ) noexcept; |
(since C++20) | |
比较两个 weekday_last
值 x 和 y。
!=
运算符是从 operator==
合成的。
[编辑] 返回值
x.weekday() == y.weekday()
[编辑] 示例
运行此代码
#include <chrono> #include <iostream> int main() { constexpr auto wdl1{std::chrono::Tuesday[std::chrono::last]}; constexpr std::chrono::weekday_last wdl2{std::chrono::weekday(2)}; std::cout << std::boolalpha << (wdl1 == wdl2) << ' ' << (wdl1 == std::chrono::Wednesday[std::chrono::last]) << '\n'; }
输出
true false