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std::chrono...ar_month::ok(3) C++ Standard Libarystd::chrono...ar_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 <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());
	}

http://cppreference.com		  2024.06.10	 std::chrono...ar_month::ok(3)

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