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std::pointe...ry_function(3)  C++ Standard Libary std::pointe...ry_function(3)

NAME
       std::pointer_to_unary_function -	std::pointer_to_unary_function

Synopsis
	  template<

	  class	Arg,							 (dep-
       recated in C++11)
	  class	 Result							  (re-
       moved 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)

http://cppreference.com		  2022.07.31	  std::pointe...ry_function(3)

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