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Diffstat (limited to 'boost/fusion/support/detail/is_same_size.hpp')
| -rw-r--r-- | boost/fusion/support/detail/is_same_size.hpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/boost/fusion/support/detail/is_same_size.hpp b/boost/fusion/support/detail/is_same_size.hpp new file mode 100644 index 0000000000..b1bf7cde41 --- /dev/null +++ b/boost/fusion/support/detail/is_same_size.hpp @@ -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 |