NAME

std::chrono::month_weekday::ok - std::chrono::month_weekday::ok

Synopsis

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

Checks if the contained month and weekday_indexed objects are valid.

Return value

month().ok() && weekday_indexed().ok()

Example

// Run this code

#include <iostream>
#include <chrono>

int main()
{
std::cout << std::boolalpha;

auto mwdi {std::chrono::March/std::chrono::Friday[1]};
std::cout << (mwdi.ok()) << ' ';
mwdi = {std::chrono::month(17)/std::chrono::Friday[1]};
std::cout << (mwdi.ok()) << ' ';
mwdi = {std::chrono::March/std::chrono::Friday[-4]};
std::cout << (mwdi.ok()) << '\n';
}

Output:

true false false