text: // 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 
  // http://www.boost.org/LICENSE_1_0.txt) 
  
  // For more information, see http://www.boost.org/
  
      
  #include <boost/function.hpp>
  #include <iostream>
  #include <functional>
  
  struct X {
    int foo(int);
  };
  int X::foo(int x) { return -x; }
  
  int main()
  {
  #ifndef BOOST_NO_CXX98_BINDERS
        boost::function<int (int)> f;
    X x;
    f = std::bind1st(
          std::mem_fun(&X::foo), &x);
    f(5); // Call x.foo(5)
  #endif
      return 0;
  }
  