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std::chrono::month_weekday::ok(3) | C++ Standard Libary | std::chrono::month_weekday::ok(3) |
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
2022.07.31 | http://cppreference.com |