std::counting_semaphore<LeastMaxValue>:: ~counting_semaphore

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Concurrency support library
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~counting_semaphore ( ) ;
(since C++20)

Destroys the counting_semaphore object.

The behavior is undefined if any thread is concurrently calling any other member function on this semaphore. This includes threads blocked in acquire() , try_acquire_for() , or try_acquire_until() .