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// Function library

// Copyright (C) 2001-2003 Douglas Gregor

// Use, modification and distribution is subject to the Boost Software 
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 

// For more information, see

#include <boost/function.hpp>
#include <iostream>
#include <functional>

struct X {
  int foo(int);
int X::foo(int x) { return -x; }

int main()
    boost::function<int (X*, int)> f;

f = &X::foo;
X x;
f(&x, 5);

    return 0;