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Unordered: Use return type SFINAE, seems to be more portable.

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[SVN r74182]
This commit is contained in:
Daniel James
2011-09-01 08:26:36 +00:00
parent 1154b5729a
commit 26a47d33c1
1 changed files with 5 additions and 6 deletions
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11
include/boost/unordered/detail/allocator_helpers.hpp
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@ -225,17 +225,16 @@ namespace boost { namespace unordered { namespace detail {
\
template <BOOST_PP_CAT(check, count) e> \
struct BOOST_PP_CAT(test, count) { \
typedef void* type; \
typedef BOOST_PP_CAT(choice, result) type; \
}; \
\
template <class U> static BOOST_PP_CAT(choice, result)::type \
test(BOOST_PP_CAT(choice, count), \
typename BOOST_PP_CAT(test, count)< \
&U::name>::type = 0)
template <class U> static BOOST_DEDUCED_TYPENAME \
BOOST_PP_CAT(test, count)<&U::name>::type \
test(BOOST_PP_CAT(choice, count))
#define BOOST_UNORDERED_DEFAULT_MEMBER(count, result) \
template <class U> static BOOST_PP_CAT(choice, result)::type \
test(BOOST_PP_CAT(choice, count), void* = 0)
test(BOOST_PP_CAT(choice, count))
template <typename T>