NAME

std::pointer_to_unary_function - std::pointer_to_unary_function

Synopsis

template<

class Arg, (deprecated in C++11)
class Result (removed in C++17)

> class pointer_to_unary_function : public
std::unary_function<Arg, Result>;

std::pointer_to_unary_function is a function object that acts as a wrapper around a
unary function.

Member functions

constructs a new pointer_to_unary_function object with the supplied
constructor function
(public member function)
operator() calls the stored function
(public member function)

std::pointer_to_unary_function::pointer_to_unary_function

explicit pointer_to_unary_function( Result (*f)(Arg) );

Constructs a pointer_to_unary_function function object with the stored function f.

Parameters

f - pointer to a function to store

std::pointer_to_unary_function::operator()

Result operator()( Arg x ) const;

Calls the stored function.

Parameters

x - argument to pass to the function

Return value

The value returned by the called function.

See also

pointer_to_binary_function adaptor-compatible wrapper for a pointer to binary
(deprecated in C++11) function
(removed in C++17) (class template)
ptr_fun creates an adaptor-compatible function object wrapper
(deprecated in C++11) from a pointer to function
(removed in C++17) (function template)