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_BEGIN_IMPL_05042005_1136) 8 #define FUSION_BEGIN_IMPL_05042005_1136 9 10 #include <boost/fusion/support/config.hpp> 11 #include <boost/fusion/container/vector/vector_iterator.hpp> 12 13 namespace boost { namespace fusion 14 { 15 struct vector_tag; 16 17 namespace extension 18 { 19 template <typename Tag> 20 struct begin_impl; 21 22 template <> 23 struct begin_impl<vector_tag> 24 { 25 template <typename Sequence> 26 struct apply 27 { 28 typedef vector_iterator<Sequence, 0> type; 29 30 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED 31 static type callboost::fusion::extension::begin_impl::apply32 call(Sequence& v) 33 { 34 return type(v); 35 } 36 }; 37 }; 38 } 39 }} 40 41 #endif 42