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Fusion: removed fusion::sequence_root; Fixes #2335

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[SVN r66411]
This commit is contained in:
Christopher Schmidt
2010-11-06 12:21:18 +00:00
parent 09bd088660
commit 6eba238b69
7 changed files with 59 additions and 18 deletions
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8
include/boost/fusion/sequence/comparison/detail/enable_comparison.hpp
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@ -13,22 +13,18 @@
#include <boost/mpl/equal_to.hpp>
#include <boost/fusion/support/is_sequence.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/support/detail/is_mpl_sequence.hpp>
namespace boost { namespace fusion { namespace detail
{
template <typename Sequence>
struct is_native_fusion_sequence : is_base_of<sequence_root, Sequence> {};
template <typename Seq1, typename Seq2>
struct enable_equality
: mpl::or_<is_native_fusion_sequence<Seq1>, is_native_fusion_sequence<Seq2> >
: mpl::or_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >
{};
template <typename Seq1, typename Seq2>
struct enable_comparison
: mpl::and_<
mpl::or_<is_native_fusion_sequence<Seq1>, is_native_fusion_sequence<Seq2> >
mpl::or_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >
, mpl::equal_to<result_of::size<Seq1>, result_of::size<Seq2> >
>
{};