NAME¶

std::chrono::weekday_indexed::ok - std::chrono::weekday_indexed::ok

Synopsis¶

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

Checks if the weekday object and the index stored in *this are both valid.

Return value¶

true if weekday().ok() == true and index() is in the range [1, 5]. Otherwise false.

Example¶

// Run this code

#include <iostream>
#include <chrono>

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

std::chrono::weekday_indexed wdi {std::chrono::Tuesday[2]};
std::cout << (wdi.ok()) << ' ';
wdi = {std::chrono::weekday(42)[2]};
std::cout << (wdi.ok()) << ' ';
wdi = {std::chrono::Tuesday[-4]};
std::cout << (wdi.ok()) << '\n';
}

Output:¶

true false false