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      std::chrono::year_month::ok

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

      Checks if the year and month values stored in this object are valid.

      [edit]Return value

      year().ok()&& month().ok()

      [edit]Example

      Run this code
      #include <chrono>usingnamespace std::chrono_literals; int main(){constexprstd::chrono::year_month ym1{3030y,std::chrono::July};    static_assert(ym1.ok()); constexprstd::chrono::year_month ym2{std::chrono::year(2020)/16};    static_assert(!ym2.ok());}
      Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/chrono/year_month/ok&oldid=157412"

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