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Workaround for LWG 2408: SFINAE-friendly std::iterator_traits.

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Now available for GCC(libstdc++v3) < 4.5 and MSVC 12.0.
It means, there is no ambiguous about calling next/prior/... via ADL.
This commit is contained in:
Kohei Takahashi
2015-02-05 23:04:36 +09:00
parent 5e4978b870
commit 6ab68a29d8
21 changed files with 202 additions and 0 deletions
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9
include/boost/fusion/container/deque/deque_iterator.hpp
View File

@ -118,4 +118,13 @@ namespace boost { namespace fusion {
}}
#ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
namespace std
{
template <typename Seq, int Pos>
struct iterator_traits< ::boost::fusion::deque_iterator<Seq, Pos> >
{ };
}
#endif
#endif

9
include/boost/fusion/container/list/cons_iterator.hpp
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@ -98,4 +98,13 @@ namespace boost { namespace fusion
};
}}
#ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
namespace std
{
template <typename Cons>
struct iterator_traits< ::boost::fusion::cons_iterator<Cons> >
{ };
}
#endif
#endif

9
include/boost/fusion/container/map/map_iterator.hpp
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@ -163,4 +163,13 @@ namespace boost { namespace fusion
}}
#ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
namespace std
{
template <typename Seq, int Pos>
struct iterator_traits< ::boost::fusion::map_iterator<Seq, Pos> >
{ };
}
#endif
#endif

9
include/boost/fusion/container/vector/vector_iterator.hpp
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@ -48,5 +48,14 @@ namespace boost { namespace fusion
};
}}
#ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
namespace std
{
template <typename Vector, int N>
struct iterator_traits< ::boost::fusion::vector_iterator<Vector, N> >
{ };
}
#endif
#endif