NAME

std::unique_lock::operatorbool - std::unique_lock::operatorbool

Synopsis

explicit operator bool() const noexcept; (since C++11)

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 ownership of it, false
otherwise.

See also

owns_lock tests whether the lock owns (i.e., has locked) its associated mutex
(public member function)