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Patches from Nathan Ridge using SFINAE to disable the Fusion algorithms for non-{Fusion sequence} types

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[SVN r78463]
This commit is contained in:
Joel de Guzman
2012-05-14 00:37:21 +00:00
parent 66e8a6d3b7
commit b63c8214d7
15 changed files with 174 additions and 24 deletions
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15
include/boost/fusion/algorithm/iteration/accumulate_fwd.hpp
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@ -7,6 +7,9 @@
#if !defined(BOOST_FUSION_ACCUMULATE_FWD_HPP_INCLUDED)
#define BOOST_FUSION_ACCUMULATE_FWD_HPP_INCLUDED
#include <boost/fusion/support/is_sequence.hpp>
#include <boost/utility/enable_if.hpp>
namespace boost { namespace fusion
{
namespace result_of
@ -16,11 +19,19 @@ namespace boost { namespace fusion
}
template <typename Sequence, typename State, typename F>
typename result_of::accumulate<Sequence, State const, F>::type
typename
lazy_enable_if<
traits::is_sequence<Sequence>
, result_of::accumulate<Sequence, State const, F>
>::type
accumulate(Sequence& seq, State const& state, F f);
template <typename Sequence, typename State, typename F>
typename result_of::accumulate<Sequence const, State const, F>::type
typename
lazy_enable_if<
traits::is_sequence<Sequence>
, result_of::accumulate<Sequence const, State const, F>
>::type
accumulate(Sequence const& seq, State const& state, F f);
}}