Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages

  
 
  

home | help 
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 <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

http://cppreference.com		  2022.07.31	 std::chrono...ar_month::ok(3)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=std::chrono::year_month::ok&sektion=3&manpath=FreeBSD+Ports+15.0>

home | help