examples/include/memfunref.h

/**************************************************************************
 *
 * memfunref.h - Header for example program for mem_fun and other 
 * member function reference wrappers.  See Class Reference Section
 *
 * $Id: //stdlib/dev/examples/stdlib/include/memfunref.h#8 $
 *
 ***************************************************************************
 *
 * Copyright (c) 1994-2005 Quovadx,  Inc., acting through its  Rogue Wave
 * Software division. Licensed under the Apache License, Version 2.0 (the
 * "License");  you may  not use this file except  in compliance with the
 * License.    You    may   obtain   a   copy   of    the   License    at
 * http://www.apache.org/licenses/LICENSE-2.0.    Unless   required    by
 * applicable law  or agreed to  in writing,  software  distributed under
 * the License is distributed on an "AS IS" BASIS,  WITHOUT WARRANTIES OR
 * CONDITIONS OF  ANY KIND, either  express or implied.  See  the License
 * for the specific language governing permissions  and limitations under
 * the License.
 * 
 **************************************************************************/

#ifndef MEMFUNREF_H_INCLUDED
#define MEMFUNREF_H_INCLUDED


#include <algorithm>   // for copy()
#include <list>        // for list
#include <iterator>    // for ostream_iterator
#include <iostream>    // for cout, ostream


template <class T>
class sublist  
{
    typedef std::list<T, std::allocator<T> >    list_type;

public:

    typedef typename list_type::value_type      value_type;
    typedef typename list_type::reference       reference;
    typedef typename list_type::const_reference const_reference;
    typedef typename list_type::pointer         pointer;
    typedef typename list_type::const_pointer   const_pointer;
    typedef typename list_type::difference_type difference_type;

    sublist () { }

    sublist (const_pointer begin, const_pointer end): l (begin, end) { }

    int sort () {
        l.sort ();
        return 1;
    }

    int disp () const {
        typedef std::char_traits<char> traits_type;
        typedef std::ostream_iterator<value_type, char, traits_type> os_iter;

        std::copy (l.begin (), l.end (), os_iter (std::cout, " "));
        std::cout << std::endl;

        return 1;
    }

private:
    list_type l;
};


#endif   // MEMFUNREF_H_INCLUDED