std::counting_semaphore::~counting_semaphore -
std::counting_semaphore::~counting_semaphore
~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().