1// Boost.Range library
2//
3// Copyright Thorsten Ottosen 2003-2004. Use, modification and
4// distribution is subject to the Boost Software License, Version
5// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt)
7//
8// For more information, see http://www.boost.org/libs/range/
9//
10
11#ifndef BOOST_RANGE_DIFFERENCE_TYPE_HPP
12#define BOOST_RANGE_DIFFERENCE_TYPE_HPP
13
14#if defined(_MSC_VER)
15# pragma once
16#endif
17
18#include <boost/range/config.hpp>
19#include <boost/range/iterator.hpp>
20#include <boost/iterator/iterator_traits.hpp>
21#include <boost/type_traits/remove_reference.hpp>
22
23namespace boost
24{
25 template< class T >
26 struct range_difference
27 : iterator_difference<
28 BOOST_DEDUCED_TYPENAME range_iterator<
29 BOOST_DEDUCED_TYPENAME remove_reference<T>::type
30 >::type
31 >
32 { };
33}
34
35#endif
36