std::experimental::observer_ptr<W>::operator bool
Min standard notice:
Checks whether *this has an associated watched object, i.e. whether get() != nullptr.
# Declarations
constexpr explicit operator bool() const noexcept;
(library fundamentals TS v2)
# Return value
true if *this has an associated watched object, false otherwise.
# Example
This section is incompleteReason: no example