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      std::chrono::weekday_indexed::index

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

      Accesses the index stored in*this.

      [edit]Return value

      The index stored in*this.

      [edit]Example

      Run this code
      #include <chrono>#include <iostream> int main(){std::cout<<std::boolalpha; std::chrono::weekday_indexed wdi{std::chrono::Tuesday[2]};// 2nd Tuesday of a monthstd::cout<<(std::chrono::year_month_day{wdi/10/2019}==std::chrono::year_month_day{std::chrono::October/8/2019})<<' ';     wdi={wdi.weekday()[wdi.index()+2]};// 2nd Tuesday => 4th Tuesdaystd::cout<<(std::chrono::year_month_day{wdi/10/2019}==std::chrono::year_month_day{std::chrono::October/22/2019})<<'\n';}

      Output:

      true true
      Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/chrono/weekday_indexed/index&oldid=157210"

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