std::pointer_to_unary_function (3) - Linux Man Pages

std::pointer_to_unary_function: std::pointer_to_unary_function

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 function
constructor (public member function)
              calls the stored function
operator() (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 function
                           (class template)
(deprecated in C++11)
(removed in C++17)


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