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Simplify is_same_size

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This commit is contained in:
Nikita Kniazev
2018-10-07 23:17:40 +03:00
parent 6b5c5be9be
commit d1da8ee746
1 changed files with 6 additions and 7 deletions
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13
include/boost/fusion/support/detail/is_same_size.hpp
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@ -9,20 +9,19 @@
#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>
template <typename Sequence1, typename Sequence2, bool
= traits::is_sequence<Sequence1>::value &&
traits::is_sequence<Sequence2>::value>
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> >
struct is_same_size<Sequence1, Sequence2, true>
: mpl::bool_<result_of::size<Sequence1>::value ==
result_of::size<Sequence2>::value>
{};
}}}