single_view/detail/size_impl.hpp

0001 /*=============================================================================
0002     Copyright (c) 2011 Eric Niebler
0003
0004     Distributed under the Boost Software License, Version 1.0. (See accompanying
0005     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0006 ==============================================================================*/
0007 #if !defined(FUSION_SINGLE_VIEW_SIZE_IMPL_JUL_07_2011_1348PM)
0008 #define FUSION_SINGLE_VIEW_SIZE_IMPL_JUL_07_2011_1348PM
0009
0010 namespace boost { namespace fusion
0011 {
0012     struct single_view_tag;
0013
0014     namespace extension
0015     {
0016         template <typename Tag>
0017         struct size_impl;
0018
0019         template <>
0020         struct size_impl<single_view_tag>
0021         {
0022             template <typename Sequence>
0023             struct apply
0024             {
0025                 typedef mpl::int_<1> type;
0026             };
0027         };
0028     }
0029 }}
0030
0031 #endif
0032
0033