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std::pointer_to_unary_function - cppreference.com

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

 (deprecated in C++11)
(removed in C++17)

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 function
(public member function)
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

(deprecated in C++11)(removed in C++17)

 adaptor-compatible wrapper for a pointer to binary function
(class template) [edit]

(deprecated in C++11)(removed in C++17)

 creates an adaptor-compatible function object wrapper from a pointer to function
(function template) [edit]