table of contents
std::chrono::year_month::ok(3) | C++ Standard Libary | std::chrono::year_month::ok(3) |
NAME¶
std::chrono::year_month::ok - std::chrono::year_month::ok
Synopsis¶
constexpr bool ok() const noexcept; (since C++20)
Checks if the year and month values stored in this object are valid.
Return value¶
year().ok() && month().ok()
Example¶
// Run this code
#include <iostream>
#include <chrono>
int main()
{
std::cout << std::boolalpha;
constexpr std::chrono::year_month ym1 {std::chrono::year(2020),
std::chrono::July};
std::cout << (ym1.ok()) << ' ';
constexpr std::chrono::year_month ym2 {std::chrono::year(2020)/16};
std::cout << (ym2.ok()) << '\n';
}
Output:¶
true false
2022.07.31 | http://cppreference.com |