std::shared_lock<Mutex>::operator bool

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std::shared_lock
 
explicit operator bool() const noexcept;
 (since C++14)

Checks whether *this owns a locked mutex or not. Effectively calls owns_lock().

Parameters

(none)

Return value

true if *this has an associated mutex and has acquired shared ownership of it, false otherwise.

See also

 tests whether the lock owns its associated mutex
(public member function)
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