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      std::chrono::weekday_indexed::ok

      From cppreference.com
      <cpp‎ |chrono‎ |weekday indexed
       
       
      Date and time library
       
       
      constexprbool ok()constnoexcept;
      (since C++20)

      Checks if the weekday object and the index stored in*this are both valid.

      [edit]Return value

      true ifweekday().ok()==true andindex() is in the range[15]. Otherwisefalse.

      [edit]Example

      Run this code
      #include <chrono>#include <iostream> int main(){std::cout<<std::boolalpha; std::chrono::weekday_indexed wdi{std::chrono::Tuesday[2]};std::cout<<(wdi.ok())<<' ';    wdi={std::chrono::weekday(42)[2]};std::cout<<(wdi.ok())<<' ';    wdi={std::chrono::Tuesday[-4]};std::cout<<(wdi.ok())<<'\n';}

      Output:

      true false false
      Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/chrono/weekday_indexed/ok&oldid=157211"

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