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Fix comparison operators enabler

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Overloads must not be presented until both arguments are Fusion sequences.
This commit is contained in:
Nikita Kniazev
2019-12-04 02:42:26 +03:00
parent 5f30a8da60
commit 4778c4c180
2 changed files with 24 additions and 2 deletions
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4
include/boost/fusion/sequence/comparison/enable_comparison.hpp
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@ -20,13 +20,13 @@ namespace boost { namespace fusion { namespace traits
{
template <typename Seq1, typename Seq2, typename Enable = void>
struct enable_equality
: mpl::or_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >
: mpl::and_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >
{};
template <typename Seq1, typename Seq2, typename Enable = void>
struct enable_comparison
: mpl::and_<
mpl::or_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >
traits::is_sequence<Seq1>, traits::is_sequence<Seq2>
, mpl::equal_to<result_of::size<Seq1>, result_of::size<Seq2> >
>
{};