std::experimental::propagate_const<T>::operator bool

Technical specifications
Filesystem library (filesystem TS)
Library fundamentals (library fundamentals TS)
Library fundamentals 2 (library fundamentals 2 TS)
Extensions for parallelism (parallelism TS)
Extensions for parallelism 2 (parallelism TS v2)
Extensions for concurrency (concurrency TS)
Concepts (concepts TS)
Ranges (ranges TS)
Special mathematical functions (special math TR)
constexpr explicit operator bool() const;
(library fundamentals TS v2)

Checks whether the wrapped pointer-like object, t_, is null.



Return value

true if the wrapped object is not null, otherwise false. Equivalent to (bool)t_.


See also

returns a pointer to the object pointed to by the wrapped pointer
(public member function)