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std::chrono::month_day_last::ok(3) C++ Standard Libary std::chrono::month_day_last::ok(3)

NAME

std::chrono::month_day_last::ok - std::chrono::month_day_last::ok

Synopsis


constexpr bool ok() const noexcept; (since C++20)


Checks if the month object stored in *this is valid.

Return value


month().ok()

Example

// Run this code


#include <cassert>
#include <chrono>


int main()
{
auto mdl{std::chrono::February/std::chrono::last};
assert(mdl.ok());
mdl = {std::chrono::month(42)/std::chrono::last};
assert(!mdl.ok());
}

2024.06.10 http://cppreference.com