NAME

       std::once_flag -

SYNOPSIS

   Public Member Functions
       constexpr once_flag () noexcept=default
       once_flag (const once_flag &)=delete
       once_flag & operator= (const once_flag &)=delete

   Friends
       template<typename _Callable , typename... _Args> void call_once (once_flag &__once, _Callable &&__f,
           _Args &&...__args)

Detailed Description

       once_flag

       Definition at line 678 of file mutex.

Constructor & Destructor Documentation

   constexpr std::once_flag::once_flag () [default],  [noexcept]
       Constructor.

   std::once_flag::once_flag (const once_flag &) [delete]
       Deleted copy constructor.

Member Function Documentation

   once_flag& std::once_flag::operator= (const once_flag &) [delete]
       Deleted assignment operator.

Friends And Related Function Documentation

   template<typename _Callable , typename... _Args> void call_once (once_flag & __once, _Callable && __f, _Args
       &&... __args) [friend]
       call_once

       Definition at line 723 of file mutex.

Author

       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++                                        Fri Oct 4 2019                             std::once_flag(3cxx)