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Add workarounds for older MSVC.

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This commit is contained in:
Kohei Takahashi
2015-09-08 00:18:37 +09:00
parent d3449ab5e5
commit 59dfeec815
1 changed files with 10 additions and 3 deletions
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13
include/boost/fusion/algorithm/iteration/detail/fold.hpp
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@ -59,13 +59,18 @@ namespace boost { namespace fusion
template<int SeqSize, typename It, typename State, typename F>
struct BOOST_PP_CAT(result_of_it_,BOOST_FUSION_FOLD_NAME)<SeqSize,It,State,F
, typename boost::enable_if_has_type<typename State::type>::type>
// MSVC9 issues a compile error as a partial specialization is ambiguous.
, typename boost::enable_if_has_type<
typename boost::disable_if_c<SeqSize == 0, State>::type::type
>::type>
: BOOST_PP_CAT(result_of_it_,BOOST_FUSION_FOLD_NAME)<
SeqSize-1
, typename result_of::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION<It>::type
, boost::result_of<
F(
typename State::type const&,
typename add_reference<typename add_const<
typename State::type
>::type>::type,
BOOST_FUSION_FOLD_IMPL_INVOKE_IT_META_TRANSFORM(It const)
)
>
@ -103,7 +108,9 @@ namespace boost { namespace fusion
typename result_of::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION<It>::type
, boost::result_of<
F(
typename State::type const&,
typename add_reference<typename add_const<
typename State::type
>::type>::type,
BOOST_FUSION_FOLD_IMPL_INVOKE_IT_META_TRANSFORM(It const)
)
>