std::shared_lock<Mutex>::owns_lock
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std::shared_lock 
 
 Member functions
 Shared locking
 Modifiers
 Observers
shared_lock::owns_lock
 Non-member functions
bool owns_lock() const noexcept;
 
 (since C++14) 
Checks whether *this owns a locked mutex or not.
[edit] Parameters
(none)
[edit] Return value
true if *this has an associated mutex and has acquired shared ownership of it, false otherwise.