std::experimental::observer_ptr<W>:: operator bool

From cppreference.com
constexpr explicit operator bool ( ) const noexcept ;
(library fundamentals TS v2)

Checks whether * this has an associated watched object, i.e. whether get ( ) ! = nullptr .

Parameters

(none)

Return value

true if * this has an associated watched object, false otherwise.

Example

See also

returns a pointer to the watched object
(public member function)