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Diffstat (limited to '3rdParty/Boost/src/boost/fusion/algorithm/iteration/detail/segmented_fold.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/fusion/algorithm/iteration/detail/segmented_fold.hpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/algorithm/iteration/detail/segmented_fold.hpp b/3rdParty/Boost/src/boost/fusion/algorithm/iteration/detail/segmented_fold.hpp new file mode 100644 index 0000000..2371e18 --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/algorithm/iteration/detail/segmented_fold.hpp @@ -0,0 +1,59 @@ +/*============================================================================= + Copyright (c) 2011 Eric Niebler + + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +==============================================================================*/ +#if !defined(BOOST_FUSION_FOLD_S_HPP_INCLUDED) +#define BOOST_FUSION_FOLD_S_HPP_INCLUDED + +#include <boost/fusion/algorithm/iteration/fold_fwd.hpp> +#include <boost/fusion/support/segmented_fold_until.hpp> + +namespace boost { namespace fusion { namespace detail +{ + template <typename Fun> + struct segmented_fold_fun + { + explicit segmented_fold_fun(Fun const& f) + : fun(f) + {} + + Fun const& fun; + + template <typename Sequence, typename State, typename Context> + struct apply + { + typedef typename result_of::fold<Sequence, State, Fun>::type type; + typedef mpl::true_ continue_type; + + static type call(Sequence& seq, State const& state, Context const&, segmented_fold_fun const& fun) + { + return fusion::fold(seq, state, fun.fun); + } + }; + }; + + // The default implementation of this lives in detail/fold.hpp + template <typename Sequence, typename State, typename Fun, bool IsSegmented> + struct result_of_fold; + + template <typename Sequence, typename State, typename Fun> + struct result_of_fold<Sequence, State, Fun, true> + { + typedef + typename result_of::segmented_fold_until< + Sequence, + State, + segmented_fold_fun<Fun> + >::type + type; + + static type call(State& state, Sequence& seq, Fun fun) + { + return fusion::segmented_fold_until(seq, state, segmented_fold_fun<Fun>(fun)); + } + }; +}}} + +#endif |