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std::chrono...day_last::ok(3) C++ Standard Libarystd::chrono...day_last::ok(3)

NAME
       std::chrono::weekday_last::ok - std::chrono::weekday_last::ok

Synopsis
	  constexpr bool ok() const noexcept;  (since C++20)

	  Checks if the	weekday	object stored in *this is valid.

Return value
	  weekday().ok()

Example
       // Run this code

	#include <iostream>
	#include <chrono>

	int main()
	{
	    std::cout << std::boolalpha;

	    auto wdl {std::chrono::Tuesday[std::chrono::last]};
	    std::cout << (wdl.ok()) << ' ';
	    wdl	= {std::chrono::weekday(42)[std::chrono::last]};
	    std::cout << (wdl.ok()) << '\n';
	}

Output:
	true false

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

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<https://man.freebsd.org/cgi/man.cgi?query=std::chrono::weekday_last::ok&sektion=3&manpath=FreeBSD+Ports+15.0>

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