Standard C++	Library
 		 Copyright 1996, Rogue Wave Software, Inc.

 NAME

   not_equal_to	- Binary function object that returns true if its
   first	argument is not equal to its second.

 SYNOPSIS

   #include <functional>

   template <class T>
   struct not_equal_to :	public binary_function<T, T, bool> ;

 DESCRIPTION

   not_equal_to is a binary function object.  Its operator() returns
   true if x is not equal to y.  You can pass a not_equal_to object to
   any	algorithm that requires	a binary function.  For	example, the
   transform algorithm applies a binary operation to	corresponding
   values in	two collections	and stores the result.  not_equal_to
   would be used in that algorithm in the following manner:

   vector<int> vec1;
   vector<int> vec2;
   vector<int> vecResult;
   transform(vec1.begin(), vec1.end(),
 	    vec2.begin(),
 	    vecResult.begin(), not_equal_to<int>());

   After	this call to transform,	vecResult(n) will contain a "1"	if
   vec1(n) was not equal	to  vec2(n) or a "1" if	vec1(n)	was equal to
   vec2(n).

 INTERFACE

   template <class T>
   struct not_equal_to :	binary_function<T, T, bool> {
    typedef typename binary_function<T, T, bool>::second_argument_type
 						 second_argument_type;
    typedef typename binary_function<T, T, bool>::first_argument_type
 						 first_argument_type;
    typedef typename binary_function<T, T, bool>::result_type
 						 result_type;
    bool	operator() (const T&, const T&)	const;
   };

 WARNING

   If your compiler does	not support default template parameters, then
   you need to always supply	the Allocator template argument.  For
   instance,	you will need to write :

   vector<int, allocator<int> >

   instead of :

   vector<int>

 SEE ALSO

   binary_function, function object

 STANDARDS CONFORMANCE
   ANSI X3J16/ISO WG21 Joint C++	Committee