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

Simplify is_same_size

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

13
include/boost/fusion/support/detail/is_same_size.hpp
View File

@ -9,20 +9,19 @@
#include <boost/fusion/support/is_sequence.hpp> #include <boost/fusion/support/is_sequence.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp> #include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/core/enable_if.hpp>
#include <boost/mpl/bool.hpp> #include <boost/mpl/bool.hpp>
#include <boost/mpl/equal_to.hpp>
namespace boost { namespace fusion { namespace detail 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_ {}; struct is_same_size : mpl::false_ {};
template <typename Sequence1, typename Sequence2> template <typename Sequence1, typename Sequence2>
struct is_same_size<Sequence1, Sequence2, struct is_same_size<Sequence1, Sequence2, true>
typename enable_if<traits::is_sequence<Sequence1> >::type, : mpl::bool_<result_of::size<Sequence1>::value ==
typename enable_if<traits::is_sequence<Sequence2> >::type> result_of::size<Sequence2>::value>
: mpl::equal_to<result_of::size<Sequence1>, result_of::size<Sequence2> >
{}; {};
}}} }}}