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 <chrono>
using namespace std::chrono_literals;

int main()
{
constexpr std::chrono::year_month ym1{3030y, std::chrono::July};
static_assert(ym1.ok());

constexpr std::chrono::year_month ym2{std::chrono::year(2020)/16};
static_assert(!ym2.ok());
}