1 /*=============================================================================
2     Copyright (c) 2001-2011 Joel de Guzman
3 
4     Distributed under the Boost Software License, Version 1.0. (See accompanying
5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 ==============================================================================*/
7 #if !defined(FUSION_ITERATOR_BASE_05042005_1008)
8 #define FUSION_ITERATOR_BASE_05042005_1008
9 
10 #include <boost/config.hpp>
11 #include <boost/fusion/support/config.hpp>
12 
13 namespace boost { namespace fusion
14 {
15     struct iterator_root {};
16 
17     template <typename Iterator>
18     struct iterator_base : iterator_root
19     {
20         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
21         Iterator const&
castboost::fusion::iterator_base22         cast() const BOOST_NOEXCEPT
23         {
24             return static_cast<Iterator const&>(*this);
25         }
26 
27         BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
28         Iterator&
castboost::fusion::iterator_base29         cast() BOOST_NOEXCEPT
30         {
31             return static_cast<Iterator&>(*this);
32         }
33     };
34 }}
35 
36 #endif
37