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std::chrono...day_last::ok(3)  C++ Standard Libary std::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 <chrono>
      #include <iostream>

      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 	   2024.06.10	   std::chrono...day_last::ok(3)

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