feedc0de/boost_fusion
1
0
Fork 0
forked from boostorg/fusion
Code Pull Requests Activity

Check the argument being fusion sequence or not.

Browse Source
This commit is contained in:
Kohei Takahashi
2015-10-08 22:23:10 +09:00
parent 5114d9419e
commit ce4ccb929c
2 changed files with 38 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
include/boost/fusion/support/detail/is_same_size.hpp Normal file
View File

@ -0,0 +1,29 @@
/*=============================================================================
Copyright (c) 2014-2015 Kohei Takahashi
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#ifndef FUSION_IS_SAME_SIZE_10082015_1156
#define FUSION_IS_SAME_SIZE_10082015_1156
#include <boost/fusion/support/is_sequence.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/core/enable_if.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/mpl/equal_to.hpp>
namespace boost { namespace fusion { namespace detail
{
template <typename Sequence1, typename Sequence2, typename = void, typename = void>
struct is_same_size : mpl::false_ {};
template <typename Sequence1, typename Sequence2>
struct is_same_size<Sequence1, Sequence2,
typename enable_if<traits::is_sequence<Sequence1> >::type,
typename enable_if<traits::is_sequence<Sequence2> >::type>
: mpl::equal_to<result_of::size<Sequence1>, result_of::size<Sequence2> >
{};
}}}
#endif