| std::once_flag(3cxx) | std::once_flag(3cxx) |
std::once_flag - once_flag
#include <mutex>
constexpr once_flag ()
noexcept=default
Constructor. once_flag (const once_flag
&)=delete
Deleted copy constructor. once_flag & operator=
(const once_flag &)=delete
Deleted assignment operator.
template<typename _Callable , typename... _Args>
void call_once (once_flag &__once, _Callable
&&__f, _Args &&... __args)
call_once
once_flag
Definition at line 628 of file mutex.
Constructor.
Deleted copy constructor.
Deleted assignment operator.
call_once
Definition at line 666 of file mutex.
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| libstdc++ |