std::chrono::operator==(std::chrono::weekday_last)
来自cppreference.com
< cpp | chrono | weekday last
定义于头文件 <chrono>
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constexpr bool operator==(const std::chrono::weekday_last& x, const std::chrono::weekday_last& y) noexcept; |
(C++20 起) | |
比较二个 weekday_last
值 x
与 y
。
!=
运算符从 operator==
合成。
返回值
x.weekday() == y.weekday()
示例
运行此代码
#include <iostream> #include <chrono> 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