std::shared_lock<Mutex>::mutex - cppreference.com
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    std::shared_lock<Mutex>::mutex

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    std::shared_lock
     
    mutex_type* mutex() const noexcept;
    		(since C++14)

    Returns a pointer to the associated mutex, or a null pointer if there is no associated mutex.

    Parameters

    (none)

    Return value

    Pointer to the associated mutex or a null pointer if there is no associated mutex.

    Example