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-rw-r--r--boost/fusion/algorithm/iteration/accumulate.hpp15
-rw-r--r--boost/fusion/algorithm/iteration/accumulate_fwd.hpp15
-rw-r--r--boost/fusion/algorithm/iteration/detail/fold.hpp530
-rw-r--r--boost/fusion/algorithm/iteration/detail/preprocessed/fold.hpp447
-rw-r--r--boost/fusion/algorithm/iteration/detail/preprocessed/iter_fold.hpp447
-rw-r--r--boost/fusion/algorithm/iteration/detail/preprocessed/reverse_fold.hpp447
-rw-r--r--boost/fusion/algorithm/iteration/detail/preprocessed/reverse_iter_fold.hpp447
-rw-r--r--boost/fusion/algorithm/iteration/detail/segmented_fold.hpp7
-rw-r--r--boost/fusion/algorithm/iteration/fold.hpp12
-rw-r--r--boost/fusion/algorithm/iteration/fold_fwd.hpp4
-rw-r--r--boost/fusion/algorithm/iteration/iter_fold.hpp13
-rw-r--r--boost/fusion/algorithm/iteration/iter_fold_fwd.hpp4
-rw-r--r--boost/fusion/algorithm/iteration/reverse_fold.hpp12
-rw-r--r--boost/fusion/algorithm/iteration/reverse_fold_fwd.hpp4
-rw-r--r--boost/fusion/algorithm/iteration/reverse_iter_fold.hpp12
-rw-r--r--boost/fusion/algorithm/iteration/reverse_iter_fold_fwd.hpp4
16 files changed, 656 insertions, 1764 deletions
diff --git a/boost/fusion/algorithm/iteration/accumulate.hpp b/boost/fusion/algorithm/iteration/accumulate.hpp
index fe7112e323..7d524a15c2 100644
--- a/boost/fusion/algorithm/iteration/accumulate.hpp
+++ b/boost/fusion/algorithm/iteration/accumulate.hpp
@@ -1,5 +1,6 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
+ Copyright (c) 2015 Kohei Takahashi
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)
@@ -10,8 +11,6 @@
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/algorithm/iteration/accumulate_fwd.hpp>
#include <boost/fusion/algorithm/iteration/fold.hpp>
-#include <boost/fusion/support/is_sequence.hpp>
-#include <boost/utility/enable_if.hpp>
namespace boost { namespace fusion
{
@@ -27,11 +26,7 @@ namespace boost { namespace fusion
template <typename Sequence, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- inline typename
- lazy_enable_if<
- traits::is_sequence<Sequence>
- , result_of::accumulate<Sequence, State const, F>
- >::type
+ inline typename result_of::accumulate<Sequence, State const, F>::type
accumulate(Sequence& seq, State const& state, F f)
{
return fusion::fold(seq, state, f);
@@ -39,11 +34,7 @@ namespace boost { namespace fusion
template <typename Sequence, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- inline typename
- lazy_enable_if<
- traits::is_sequence<Sequence>
- , result_of::accumulate<Sequence const, State const, F>
- >::type
+ inline typename result_of::accumulate<Sequence const, State const, F>::type
accumulate(Sequence const& seq, State const& state, F f)
{
return fusion::fold(seq, state, f);
diff --git a/boost/fusion/algorithm/iteration/accumulate_fwd.hpp b/boost/fusion/algorithm/iteration/accumulate_fwd.hpp
index 50c4d39d4e..f00e67f966 100644
--- a/boost/fusion/algorithm/iteration/accumulate_fwd.hpp
+++ b/boost/fusion/algorithm/iteration/accumulate_fwd.hpp
@@ -1,5 +1,6 @@
/*=============================================================================
Copyright (c) 2011 Eric Niebler
+ Copyright (c) 2015 Kohei Takahashi
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)
@@ -8,8 +9,6 @@
#define BOOST_FUSION_ACCUMULATE_FWD_HPP_INCLUDED
#include <boost/fusion/support/config.hpp>
-#include <boost/fusion/support/is_sequence.hpp>
-#include <boost/utility/enable_if.hpp>
namespace boost { namespace fusion
{
@@ -21,20 +20,12 @@ namespace boost { namespace fusion
template <typename Sequence, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- inline typename
- lazy_enable_if<
- traits::is_sequence<Sequence>
- , result_of::accumulate<Sequence, State const, F>
- >::type
+ inline typename result_of::accumulate<Sequence, State const, F>::type
accumulate(Sequence& seq, State const& state, F f);
template <typename Sequence, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- inline typename
- lazy_enable_if<
- traits::is_sequence<Sequence>
- , result_of::accumulate<Sequence const, State const, F>
- >::type
+ inline typename result_of::accumulate<Sequence const, State const, F>::type
accumulate(Sequence const& seq, State const& state, F f);
}}
diff --git a/boost/fusion/algorithm/iteration/detail/fold.hpp b/boost/fusion/algorithm/iteration/detail/fold.hpp
index 1813bd247a..4c82b80029 100644
--- a/boost/fusion/algorithm/iteration/detail/fold.hpp
+++ b/boost/fusion/algorithm/iteration/detail/fold.hpp
@@ -2,12 +2,15 @@
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2006 Dan Marsden
Copyright (c) 2009-2010 Christopher Schmidt
+ Copyright (c) 2015 Kohei Takahashi
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)
==============================================================================*/
#include <boost/preprocessor/cat.hpp>
+#define FUSION_HASH #
+
#ifdef BOOST_FUSION_REVERSE_FOLD
# ifdef BOOST_FUSION_ITER_FOLD
# define BOOST_FUSION_FOLD_NAME reverse_iter_fold
@@ -41,378 +44,193 @@
# define BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(IT) fusion::deref(IT)
#endif
+#if (defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES))
+FUSION_HASH if BOOST_WORKAROUND BOOST_PREVENT_MACRO_SUBSTITUTION (BOOST_MSVC, < 1500)
+FUSION_HASH define BOOST_FUSION_FOLD_IMPL_ENABLER(T) void
+FUSION_HASH else
+FUSION_HASH define BOOST_FUSION_FOLD_IMPL_ENABLER(T) typename T::type
+FUSION_HASH endif
+#else
+# if BOOST_WORKAROUND(BOOST_MSVC, < 1500)
+# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) void
+# else
+# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) typename T::type
+# endif
+#endif
+
namespace boost { namespace fusion
{
namespace detail
{
- template<typename State, typename It, typename F>
- struct BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME, _lvalue_state)
- : fusion::detail::result_of_with_decltype<
- F(
- typename add_reference<typename add_const<State>::type>::type,
- BOOST_FUSION_FOLD_IMPL_INVOKE_IT_META_TRANSFORM(It))
- >
+ template<int SeqSize, typename It, typename State, typename F, typename = void
+#if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
+FUSION_HASH if BOOST_WORKAROUND BOOST_PREVENT_MACRO_SUBSTITUTION (BOOST_MSVC, < 1500)
+#endif
+#if BOOST_WORKAROUND(BOOST_MSVC, < 1500) || \
+ (defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES))
+ // Dirty hack: those compilers cannot choose exactly one partial specialization.
+ , bool = SeqSize == 0
+#endif
+#if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
+FUSION_HASH endif
+#endif
+ >
+ struct BOOST_PP_CAT(result_of_it_,BOOST_FUSION_FOLD_NAME)
{};
- template<typename Result,int N>
- struct BOOST_PP_CAT(unrolled_,BOOST_FUSION_FOLD_NAME)
- {
- template<typename State3, typename It3, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_3(State3 const& state3,It3 const& it3,F& f)
- {
- return BOOST_PP_CAT(unrolled_,BOOST_FUSION_FOLD_NAME)<
- Result
- , N-4
- >::call(
- f(state3,BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(it3)),
- fusion::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION(it3),
- f);
- }
-
- template<typename State2, typename It2, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_2(State2 const& state2,It2 const& it2,F& f)
- {
- return call_3(
- f(state2,BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(it2)),
- fusion::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION(it2),
- f);
- }
-
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return call_2(
- f(state1,BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(it1)),
- fusion::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION(it1),
- f);
- }
-
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(it0)),
- fusion::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION(it0),
- f);
- }
- };
-
- template<typename Result>
- struct BOOST_PP_CAT(unrolled_,BOOST_FUSION_FOLD_NAME)<Result,3>
- {
- template<typename State2, typename It2, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_2(State2 const& state2,It2 const& it2,F& f)
- {
- return f(state2,BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(it2));
- }
-
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return call_2(
- f(state1,BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(it1)),
- fusion::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION(it1),
- f);
- }
-
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(it0)),
- fusion::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION(it0),
- f);
- }
- };
-
- template<typename Result>
- struct BOOST_PP_CAT(unrolled_,BOOST_FUSION_FOLD_NAME)<Result,2>
- {
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return f(state1,BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(it1));
- }
-
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(it0)),
- fusion::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION(it0),
- f);
- }
- };
-
- template<typename Result>
- struct BOOST_PP_CAT(unrolled_,BOOST_FUSION_FOLD_NAME)<Result,1>
- {
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return f(state,
- BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(it0));
- }
- };
-
- template<typename Result>
- struct BOOST_PP_CAT(unrolled_,BOOST_FUSION_FOLD_NAME)<Result,0>
- {
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const&, F)
- {
- return static_cast<Result>(state);
- }
- };
-
- template<typename StateRef, typename It0, typename F, int N>
- struct BOOST_PP_CAT(result_of_unrolled_,BOOST_FUSION_FOLD_NAME)
- {
- typedef typename
- BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME, _lvalue_state)<
- StateRef
- , It0 const
- , F
- >::type
- rest1;
- typedef typename
- result_of::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION<
- It0 const
- >::type
- it1;
- typedef typename
- BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME, _lvalue_state)<
- rest1
- , it1
- , F
- >::type
- rest2;
- typedef typename
- result_of::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION<it1>::type
- it2;
- typedef typename
- BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME, _lvalue_state)<
- rest2
- , it2
- , F
- >::type
- rest3;
- typedef typename
- result_of::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION<it2>::type
- it3;
-
- typedef typename
- BOOST_PP_CAT(result_of_unrolled_,BOOST_FUSION_FOLD_NAME)<
- typename BOOST_PP_CAT(
- BOOST_FUSION_FOLD_NAME, _lvalue_state)<
- rest3
- , it3
- , F
- >::type
- , typename result_of::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION<
- it3
- >::type
- , F
- , N-4
- >::type
- type;
- };
-
- template<typename StateRef, typename It0, typename F>
- struct BOOST_PP_CAT(result_of_unrolled_,BOOST_FUSION_FOLD_NAME)<
- StateRef
- , It0
- , F
- , 3
- >
+ template<typename It, typename State, typename F>
+ struct BOOST_PP_CAT(result_of_it_,BOOST_FUSION_FOLD_NAME)<0,It,State,F
+ , typename boost::enable_if_has_type<BOOST_FUSION_FOLD_IMPL_ENABLER(State)>::type
+#if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
+FUSION_HASH if BOOST_WORKAROUND BOOST_PREVENT_MACRO_SUBSTITUTION (BOOST_MSVC, < 1500)
+#endif
+#if BOOST_WORKAROUND(BOOST_MSVC, < 1500) || \
+ (defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES))
+ , true
+#endif
+#if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
+FUSION_HASH endif
+#endif
+ >
{
- typedef typename
- BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME, _lvalue_state)<
- StateRef
- , It0 const
- , F
- >::type
- rest1;
- typedef typename
- result_of::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION<
- It0 const
- >::type
- it1;
-
- typedef typename
- BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME, _lvalue_state)<
- typename BOOST_PP_CAT(
- BOOST_FUSION_FOLD_NAME, _lvalue_state)<
- rest1
- , it1
- , F
- >::type
- , typename result_of::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION<
- it1 const
- >::type const
- , F
- >::type
- type;
+ typedef typename State::type type;
};
- template<typename StateRef, typename It0, typename F>
- struct BOOST_PP_CAT(result_of_unrolled_,BOOST_FUSION_FOLD_NAME)<
- StateRef
- , It0
- , F
- , 2
- >
- : BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME, _lvalue_state)<
- typename BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME, _lvalue_state)<
- StateRef
- , It0 const
- , F
- >::type
- , typename result_of::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION<
- It0 const
- >::type const
+ 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<
+#if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
+FUSION_HASH if BOOST_WORKAROUND BOOST_PREVENT_MACRO_SUBSTITUTION (BOOST_MSVC, >= 1500)
+#endif
+#if BOOST_WORKAROUND(BOOST_MSVC, >= 1500) || \
+ (defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES))
+ // Following SFINAE enables to avoid MSVC 9's partial specialization
+ // ambiguous bug but MSVC 8 don't compile, and moreover MSVC 8 style
+ // workaround won't work with MSVC 9.
+ typename boost::disable_if_c<SeqSize == 0, State>::type::type
+#if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
+FUSION_HASH else
+ BOOST_FUSION_FOLD_IMPL_ENABLER(State)
+#endif
+#else
+ BOOST_FUSION_FOLD_IMPL_ENABLER(State)
+#endif
+#if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
+FUSION_HASH endif
+#endif
+ >::type
+#if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
+FUSION_HASH if BOOST_WORKAROUND BOOST_PREVENT_MACRO_SUBSTITUTION (BOOST_MSVC, < 1500)
+#endif
+#if BOOST_WORKAROUND(BOOST_MSVC, < 1500) || \
+ (defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES))
+ , false
+#endif
+#if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
+FUSION_HASH endif
+#endif
+ >
+ : 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 add_reference<typename State::type>::type,
+ BOOST_FUSION_FOLD_IMPL_INVOKE_IT_META_TRANSFORM(It const)
+ )
+ >
, F
>
{};
- template<typename StateRef, typename It0, typename F>
- struct BOOST_PP_CAT(result_of_unrolled_,BOOST_FUSION_FOLD_NAME)<
- StateRef
- , It0
+ template<typename It, typename State, typename F>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename BOOST_PP_CAT(result_of_it_,BOOST_FUSION_FOLD_NAME)<
+ 0
+ , It
+ , State
, F
- , 1
- >
- : BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME, _lvalue_state)<
- StateRef
- , It0 const
+ >::type
+ BOOST_PP_CAT(it_,BOOST_FUSION_FOLD_NAME)(mpl::int_<0>, It const&, typename State::type state, F&)
+ {
+ return state;
+ }
+
+ template<typename It, typename State, typename F, int SeqSize>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename lazy_enable_if_c<
+ SeqSize != 0
+ , BOOST_PP_CAT(result_of_it_,BOOST_FUSION_FOLD_NAME)<
+ SeqSize
+ , It
+ , State
, F
>
- {};
-
- template<typename StateRef, typename It0, typename F>
- struct BOOST_PP_CAT(result_of_unrolled_,BOOST_FUSION_FOLD_NAME)<
- StateRef
- , It0
- , F
- , 0
- >
- {
- typedef StateRef type;
- };
-
- template<typename StateRef, typename It0, typename F, int SeqSize>
- struct BOOST_PP_CAT(result_of_first_unrolled,BOOST_FUSION_FOLD_NAME)
- {
- typedef typename
- BOOST_PP_CAT(result_of_unrolled_,BOOST_FUSION_FOLD_NAME)<
- typename fusion::detail::result_of_with_decltype<
- F(
- StateRef,
- BOOST_FUSION_FOLD_IMPL_INVOKE_IT_META_TRANSFORM(
- It0 const)
- )
- >::type
- , typename result_of::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION<
- It0 const
- >::type
- , F
- , SeqSize-1
- >::type
- type;
- };
-
- template<int SeqSize, typename StateRef, typename Seq, typename F>
- struct BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME,_impl)
+ >::type
+ BOOST_PP_CAT(it_,BOOST_FUSION_FOLD_NAME)(mpl::int_<SeqSize>, It const& it, typename State::type state, F& f)
{
- typedef typename
- BOOST_PP_CAT(
- result_of_first_unrolled,BOOST_FUSION_FOLD_NAME)<
- StateRef
- , BOOST_FUSION_FOLD_IMPL_FIRST_IT_META_TRANSFORM(
- typename result_of::BOOST_FUSION_FOLD_IMPL_FIRST_IT_FUNCTION<Seq>::type
+ return BOOST_PP_CAT(it_,BOOST_FUSION_FOLD_NAME)<
+ typename result_of::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION<It>::type
+ , boost::result_of<
+ F(
+ typename add_reference<typename State::type>::type,
+ BOOST_FUSION_FOLD_IMPL_INVOKE_IT_META_TRANSFORM(It const)
)
- , F
- , SeqSize
- >::type
- type;
-
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static type
- call(StateRef state, Seq& seq, F f)
- {
- typedef
- BOOST_PP_CAT(unrolled_,BOOST_FUSION_FOLD_NAME)<
- type
- , SeqSize
- >
- unrolled_impl;
-
- return unrolled_impl::call(
- state,
- BOOST_FUSION_FOLD_IMPL_FIRST_IT_TRANSFORM(
- fusion::BOOST_FUSION_FOLD_IMPL_FIRST_IT_FUNCTION(seq)),
- f);
- }
- };
-
- template<typename StateRef, typename Seq, typename F>
- struct BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME,_impl)<0,StateRef,Seq,F>
- {
- typedef StateRef type;
-
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static StateRef
- call(StateRef state, Seq&, F)
- {
- return static_cast<StateRef>(state);
- }
- };
+ >
+ , F
+ >(
+ mpl::int_<SeqSize-1>()
+ , fusion::BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION(it)
+ , f(state, BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM(it))
+ , f
+ );
+ }
+
+ template<typename Seq, typename State, typename F
+ , bool = traits::is_sequence<Seq>::value
+ , bool = traits::is_segmented<Seq>::value>
+ struct BOOST_PP_CAT(result_of_,BOOST_FUSION_FOLD_NAME)
+ {};
- template<typename Seq, typename State, typename F, bool IsSegmented>
- struct BOOST_PP_CAT(result_of_, BOOST_FUSION_FOLD_NAME)
- : BOOST_PP_CAT(BOOST_FUSION_FOLD_NAME,_impl)<
+ template<typename Seq, typename State, typename F>
+ struct BOOST_PP_CAT(result_of_,BOOST_FUSION_FOLD_NAME)<Seq, State, F, true, false>
+ : BOOST_PP_CAT(result_of_it_,BOOST_FUSION_FOLD_NAME)<
result_of::size<Seq>::value
- , typename add_reference<
- typename add_const<State>::type
- >::type
- , Seq
+ , BOOST_FUSION_FOLD_IMPL_FIRST_IT_META_TRANSFORM(
+ typename result_of::BOOST_FUSION_FOLD_IMPL_FIRST_IT_FUNCTION<Seq>::type
+ )
+ , add_reference<State>
, F
>
{};
+
+ template<typename Seq, typename State, typename F>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename BOOST_PP_CAT(result_of_,BOOST_FUSION_FOLD_NAME)<Seq, State, F>::type
+ BOOST_FUSION_FOLD_NAME(Seq& seq, State& state, F& f)
+ {
+ return BOOST_PP_CAT(it_,BOOST_FUSION_FOLD_NAME)<
+ BOOST_FUSION_FOLD_IMPL_FIRST_IT_META_TRANSFORM(
+ typename result_of::BOOST_FUSION_FOLD_IMPL_FIRST_IT_FUNCTION<Seq>::type
+ )
+ , add_reference<State>
+ , F
+ >(
+ typename result_of::size<Seq>::type()
+ , BOOST_FUSION_FOLD_IMPL_FIRST_IT_TRANSFORM(
+ fusion::BOOST_FUSION_FOLD_IMPL_FIRST_IT_FUNCTION(seq)
+ )
+ , state
+ , f
+ );
+ }
}
namespace result_of
{
template<typename Seq, typename State, typename F>
struct BOOST_FUSION_FOLD_NAME
- : detail::BOOST_PP_CAT(result_of_, BOOST_FUSION_FOLD_NAME)<
- Seq
- , State
- , F
- , traits::is_segmented<Seq>::type::value
- >
+ : detail::BOOST_PP_CAT(result_of_,BOOST_FUSION_FOLD_NAME)<Seq, State, F>
{};
}
@@ -425,10 +243,7 @@ namespace boost { namespace fusion
>::type
BOOST_FUSION_FOLD_NAME(Seq& seq, State const& state, F f)
{
- return result_of::BOOST_FUSION_FOLD_NAME<Seq,State const,F>::call(
- state,
- seq,
- f);
+ return detail::BOOST_FUSION_FOLD_NAME<Seq, State const, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
@@ -440,47 +255,40 @@ namespace boost { namespace fusion
>::type
BOOST_FUSION_FOLD_NAME(Seq const& seq, State const& state, F f)
{
- return result_of::BOOST_FUSION_FOLD_NAME<Seq const,State const,F>::call(
- state,
- seq,
- f);
+ return detail::BOOST_FUSION_FOLD_NAME<Seq const, State const, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::BOOST_FUSION_FOLD_NAME<
Seq
- , State const
+ , State
, F
>::type
BOOST_FUSION_FOLD_NAME(Seq& seq, State& state, F f)
{
- return result_of::BOOST_FUSION_FOLD_NAME<Seq,State,F>::call(
- state,
- seq,
- f);
+ return detail::BOOST_FUSION_FOLD_NAME<Seq, State, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::BOOST_FUSION_FOLD_NAME<
Seq const
- , State const
+ , State
, F
>::type
BOOST_FUSION_FOLD_NAME(Seq const& seq, State& state, F f)
{
- return result_of::BOOST_FUSION_FOLD_NAME<Seq const,State,F>::call(
- state,
- seq,
- f);
+ return detail::BOOST_FUSION_FOLD_NAME<Seq const, State, F>(seq, state, f);
}
}}
#undef BOOST_FUSION_FOLD_NAME
+#undef BOOST_FUSION_FOLD_IMPL_ENABLER
#undef BOOST_FUSION_FOLD_IMPL_FIRST_IT_FUNCTION
#undef BOOST_FUSION_FOLD_IMPL_NEXT_IT_FUNCTION
#undef BOOST_FUSION_FOLD_IMPL_FIRST_IT_META_TRANSFORM
#undef BOOST_FUSION_FOLD_IMPL_FIRST_IT_TRANSFORM
#undef BOOST_FUSION_FOLD_IMPL_INVOKE_IT_META_TRANSFORM
#undef BOOST_FUSION_FOLD_IMPL_INVOKE_IT_TRANSFORM
+#undef FUSION_HASH
diff --git a/boost/fusion/algorithm/iteration/detail/preprocessed/fold.hpp b/boost/fusion/algorithm/iteration/detail/preprocessed/fold.hpp
index bd3b1dbdac..c23ba16c28 100644
--- a/boost/fusion/algorithm/iteration/detail/preprocessed/fold.hpp
+++ b/boost/fusion/algorithm/iteration/detail/preprocessed/fold.hpp
@@ -8,345 +8,138 @@
This is an auto-generated file. Do not edit!
==============================================================================*/
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) void
+# else
+# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) typename T::type
+# endif
namespace boost { namespace fusion
{
namespace detail
{
- template<typename State, typename It, typename F>
- struct fold_lvalue_state
- : fusion::detail::result_of_with_decltype<
- F(
- typename add_reference<typename add_const<State>::type>::type,
- typename fusion::result_of::deref<It>::type)
- >
- {};
- template<typename Result,int N>
- struct unrolled_fold
- {
- template<typename State3, typename It3, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_3(State3 const& state3,It3 const& it3,F& f)
- {
- return unrolled_fold<
- Result
- , N-4
- >::call(
- f(state3,fusion::deref(it3)),
- fusion::next(it3),
- f);
- }
- template<typename State2, typename It2, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_2(State2 const& state2,It2 const& it2,F& f)
- {
- return call_3(
- f(state2,fusion::deref(it2)),
- fusion::next(it2),
- f);
- }
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return call_2(
- f(state1,fusion::deref(it1)),
- fusion::next(it1),
- f);
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,fusion::deref(it0)),
- fusion::next(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_fold<Result,3>
- {
- template<typename State2, typename It2, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_2(State2 const& state2,It2 const& it2,F& f)
- {
- return f(state2,fusion::deref(it2));
- }
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return call_2(
- f(state1,fusion::deref(it1)),
- fusion::next(it1),
- f);
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,fusion::deref(it0)),
- fusion::next(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_fold<Result,2>
- {
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return f(state1,fusion::deref(it1));
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,fusion::deref(it0)),
- fusion::next(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_fold<Result,1>
- {
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return f(state,
- fusion::deref(it0));
- }
- };
- template<typename Result>
- struct unrolled_fold<Result,0>
- {
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const&, F)
- {
- return static_cast<Result>(state);
- }
- };
- template<typename StateRef, typename It0, typename F, int N>
- struct result_of_unrolled_fold
- {
- typedef typename
- fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- rest1;
- typedef typename
- result_of::next<
- It0 const
- >::type
- it1;
- typedef typename
- fold_lvalue_state<
- rest1
- , it1
- , F
- >::type
- rest2;
- typedef typename
- result_of::next<it1>::type
- it2;
- typedef typename
- fold_lvalue_state<
- rest2
- , it2
- , F
- >::type
- rest3;
- typedef typename
- result_of::next<it2>::type
- it3;
- typedef typename
- result_of_unrolled_fold<
- typename fold_lvalue_state<
- rest3
- , it3
- , F
- >::type
- , typename result_of::next<
- it3
- >::type
- , F
- , N-4
- >::type
- type;
- };
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_fold<
- StateRef
- , It0
- , F
- , 3
+ template<int SeqSize, typename It, typename State, typename F, typename = void
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+
+ , bool = SeqSize == 0
+# endif
>
+ struct result_of_it_fold
+ {};
+ template<typename It, typename State, typename F>
+ struct result_of_it_fold<0,It,State,F
+ , typename boost::enable_if_has_type<BOOST_FUSION_FOLD_IMPL_ENABLER(State)>::type
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+ , true
+# endif
+ >
{
- typedef typename
- fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- rest1;
- typedef typename
- result_of::next<
- It0 const
- >::type
- it1;
- typedef typename
- fold_lvalue_state<
- typename fold_lvalue_state<
- rest1
- , it1
- , F
- >::type
- , typename result_of::next<
- it1 const
- >::type const
- , F
- >::type
- type;
+ typedef typename State::type type;
};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_fold<
- StateRef
- , It0
- , F
- , 2
- >
- : fold_lvalue_state<
- typename fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- , typename result_of::next<
- It0 const
- >::type const
+ template<int SeqSize, typename It, typename State, typename F>
+ struct result_of_it_fold<SeqSize,It,State,F
+ , typename boost::enable_if_has_type<
+# if BOOST_WORKAROUND (BOOST_MSVC, >= 1500)
+
+
+
+ typename boost::disable_if_c<SeqSize == 0, State>::type::type
+# else
+ BOOST_FUSION_FOLD_IMPL_ENABLER(State)
+# endif
+ >::type
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+ , false
+# endif
+ >
+ : result_of_it_fold<
+ SeqSize-1
+ , typename result_of::next<It>::type
+ , boost::result_of<
+ F(
+ typename add_reference<typename State::type>::type,
+ typename fusion::result_of::deref<It const>::type
+ )
+ >
, F
>
{};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_fold<
- StateRef
- , It0
+ template<typename It, typename State, typename F>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename result_of_it_fold<
+ 0
+ , It
+ , State
, F
- , 1
- >
- : fold_lvalue_state<
- StateRef
- , It0 const
+ >::type
+ it_fold(mpl::int_<0>, It const&, typename State::type state, F&)
+ {
+ return state;
+ }
+ template<typename It, typename State, typename F, int SeqSize>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename lazy_enable_if_c<
+ SeqSize != 0
+ , result_of_it_fold<
+ SeqSize
+ , It
+ , State
, F
>
- {};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_fold<
- StateRef
- , It0
- , F
- , 0
- >
+ >::type
+ it_fold(mpl::int_<SeqSize>, It const& it, typename State::type state, F& f)
{
- typedef StateRef type;
- };
- template<typename StateRef, typename It0, typename F, int SeqSize>
- struct result_of_first_unrolledfold
- {
- typedef typename
- result_of_unrolled_fold<
- typename fusion::detail::result_of_with_decltype<
- F(
- StateRef,
- typename fusion::result_of::deref< It0 const>::type
- )
- >::type
- , typename result_of::next<
- It0 const
- >::type
- , F
- , SeqSize-1
- >::type
- type;
- };
- template<int SeqSize, typename StateRef, typename Seq, typename F>
- struct fold_impl
- {
- typedef typename
- result_of_first_unrolledfold<
- StateRef
- , typename result_of::begin<Seq>::type
- , F
- , SeqSize
- >::type
- type;
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static type
- call(StateRef state, Seq& seq, F f)
- {
- typedef
- unrolled_fold<
- type
- , SeqSize
- >
- unrolled_impl;
- return unrolled_impl::call(
- state,
- fusion::begin(seq),
- f);
- }
- };
- template<typename StateRef, typename Seq, typename F>
- struct fold_impl<0,StateRef,Seq,F>
- {
- typedef StateRef type;
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static StateRef
- call(StateRef state, Seq&, F)
- {
- return static_cast<StateRef>(state);
- }
- };
- template<typename Seq, typename State, typename F, bool IsSegmented>
+ return it_fold<
+ typename result_of::next<It>::type
+ , boost::result_of<
+ F(
+ typename add_reference<typename State::type>::type,
+ typename fusion::result_of::deref<It const>::type
+ )
+ >
+ , F
+ >(
+ mpl::int_<SeqSize-1>()
+ , fusion::next(it)
+ , f(state, fusion::deref(it))
+ , f
+ );
+ }
+ template<typename Seq, typename State, typename F
+ , bool = traits::is_sequence<Seq>::value
+ , bool = traits::is_segmented<Seq>::value>
struct result_of_fold
- : fold_impl<
+ {};
+ template<typename Seq, typename State, typename F>
+ struct result_of_fold<Seq, State, F, true, false>
+ : result_of_it_fold<
result_of::size<Seq>::value
- , typename add_reference<
- typename add_const<State>::type
- >::type
- , Seq
+ , typename result_of::begin<Seq>::type
+ , add_reference<State>
, F
>
{};
+ template<typename Seq, typename State, typename F>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename result_of_fold<Seq, State, F>::type
+ fold(Seq& seq, State& state, F& f)
+ {
+ return it_fold<
+ typename result_of::begin<Seq>::type
+ , add_reference<State>
+ , F
+ >(
+ typename result_of::size<Seq>::type()
+ , fusion::begin(seq)
+ , state
+ , f
+ );
+ }
}
namespace result_of
{
template<typename Seq, typename State, typename F>
struct fold
- : detail::result_of_fold<
- Seq
- , State
- , F
- , traits::is_segmented<Seq>::type::value
- >
+ : detail::result_of_fold<Seq, State, F>
{};
}
template<typename Seq, typename State, typename F>
@@ -358,10 +151,7 @@ namespace boost { namespace fusion
>::type
fold(Seq& seq, State const& state, F f)
{
- return result_of::fold<Seq,State const,F>::call(
- state,
- seq,
- f);
+ return detail::fold<Seq, State const, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
@@ -372,37 +162,28 @@ namespace boost { namespace fusion
>::type
fold(Seq const& seq, State const& state, F f)
{
- return result_of::fold<Seq const,State const,F>::call(
- state,
- seq,
- f);
+ return detail::fold<Seq const, State const, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::fold<
Seq
- , State const
+ , State
, F
>::type
fold(Seq& seq, State& state, F f)
{
- return result_of::fold<Seq,State,F>::call(
- state,
- seq,
- f);
+ return detail::fold<Seq, State, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::fold<
Seq const
- , State const
+ , State
, F
>::type
fold(Seq const& seq, State& state, F f)
{
- return result_of::fold<Seq const,State,F>::call(
- state,
- seq,
- f);
+ return detail::fold<Seq const, State, F>(seq, state, f);
}
}}
diff --git a/boost/fusion/algorithm/iteration/detail/preprocessed/iter_fold.hpp b/boost/fusion/algorithm/iteration/detail/preprocessed/iter_fold.hpp
index 1d294a8722..d49a868568 100644
--- a/boost/fusion/algorithm/iteration/detail/preprocessed/iter_fold.hpp
+++ b/boost/fusion/algorithm/iteration/detail/preprocessed/iter_fold.hpp
@@ -7,345 +7,138 @@
This is an auto-generated file. Do not edit!
==============================================================================*/
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) void
+# else
+# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) typename T::type
+# endif
namespace boost { namespace fusion
{
namespace detail
{
- template<typename State, typename It, typename F>
- struct iter_fold_lvalue_state
- : fusion::detail::result_of_with_decltype<
- F(
- typename add_reference<typename add_const<State>::type>::type,
- It&)
- >
- {};
- template<typename Result,int N>
- struct unrolled_iter_fold
- {
- template<typename State3, typename It3, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_3(State3 const& state3,It3 const& it3,F& f)
- {
- return unrolled_iter_fold<
- Result
- , N-4
- >::call(
- f(state3,it3),
- fusion::next(it3),
- f);
- }
- template<typename State2, typename It2, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_2(State2 const& state2,It2 const& it2,F& f)
- {
- return call_3(
- f(state2,it2),
- fusion::next(it2),
- f);
- }
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return call_2(
- f(state1,it1),
- fusion::next(it1),
- f);
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,it0),
- fusion::next(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_iter_fold<Result,3>
- {
- template<typename State2, typename It2, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_2(State2 const& state2,It2 const& it2,F& f)
- {
- return f(state2,it2);
- }
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return call_2(
- f(state1,it1),
- fusion::next(it1),
- f);
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,it0),
- fusion::next(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_iter_fold<Result,2>
- {
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return f(state1,it1);
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,it0),
- fusion::next(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_iter_fold<Result,1>
- {
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return f(state,
- it0);
- }
- };
- template<typename Result>
- struct unrolled_iter_fold<Result,0>
- {
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const&, F)
- {
- return static_cast<Result>(state);
- }
- };
- template<typename StateRef, typename It0, typename F, int N>
- struct result_of_unrolled_iter_fold
- {
- typedef typename
- iter_fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- rest1;
- typedef typename
- result_of::next<
- It0 const
- >::type
- it1;
- typedef typename
- iter_fold_lvalue_state<
- rest1
- , it1
- , F
- >::type
- rest2;
- typedef typename
- result_of::next<it1>::type
- it2;
- typedef typename
- iter_fold_lvalue_state<
- rest2
- , it2
- , F
- >::type
- rest3;
- typedef typename
- result_of::next<it2>::type
- it3;
- typedef typename
- result_of_unrolled_iter_fold<
- typename iter_fold_lvalue_state<
- rest3
- , it3
- , F
- >::type
- , typename result_of::next<
- it3
- >::type
- , F
- , N-4
- >::type
- type;
- };
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_iter_fold<
- StateRef
- , It0
- , F
- , 3
+ template<int SeqSize, typename It, typename State, typename F, typename = void
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+
+ , bool = SeqSize == 0
+# endif
>
+ struct result_of_it_iter_fold
+ {};
+ template<typename It, typename State, typename F>
+ struct result_of_it_iter_fold<0,It,State,F
+ , typename boost::enable_if_has_type<BOOST_FUSION_FOLD_IMPL_ENABLER(State)>::type
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+ , true
+# endif
+ >
{
- typedef typename
- iter_fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- rest1;
- typedef typename
- result_of::next<
- It0 const
- >::type
- it1;
- typedef typename
- iter_fold_lvalue_state<
- typename iter_fold_lvalue_state<
- rest1
- , it1
- , F
- >::type
- , typename result_of::next<
- it1 const
- >::type const
- , F
- >::type
- type;
+ typedef typename State::type type;
};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_iter_fold<
- StateRef
- , It0
- , F
- , 2
- >
- : iter_fold_lvalue_state<
- typename iter_fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- , typename result_of::next<
- It0 const
- >::type const
+ template<int SeqSize, typename It, typename State, typename F>
+ struct result_of_it_iter_fold<SeqSize,It,State,F
+ , typename boost::enable_if_has_type<
+# if BOOST_WORKAROUND (BOOST_MSVC, >= 1500)
+
+
+
+ typename boost::disable_if_c<SeqSize == 0, State>::type::type
+# else
+ BOOST_FUSION_FOLD_IMPL_ENABLER(State)
+# endif
+ >::type
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+ , false
+# endif
+ >
+ : result_of_it_iter_fold<
+ SeqSize-1
+ , typename result_of::next<It>::type
+ , boost::result_of<
+ F(
+ typename add_reference<typename State::type>::type,
+ It const&
+ )
+ >
, F
>
{};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_iter_fold<
- StateRef
- , It0
+ template<typename It, typename State, typename F>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename result_of_it_iter_fold<
+ 0
+ , It
+ , State
, F
- , 1
- >
- : iter_fold_lvalue_state<
- StateRef
- , It0 const
+ >::type
+ it_iter_fold(mpl::int_<0>, It const&, typename State::type state, F&)
+ {
+ return state;
+ }
+ template<typename It, typename State, typename F, int SeqSize>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename lazy_enable_if_c<
+ SeqSize != 0
+ , result_of_it_iter_fold<
+ SeqSize
+ , It
+ , State
, F
>
- {};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_iter_fold<
- StateRef
- , It0
- , F
- , 0
- >
+ >::type
+ it_iter_fold(mpl::int_<SeqSize>, It const& it, typename State::type state, F& f)
{
- typedef StateRef type;
- };
- template<typename StateRef, typename It0, typename F, int SeqSize>
- struct result_of_first_unrollediter_fold
- {
- typedef typename
- result_of_unrolled_iter_fold<
- typename fusion::detail::result_of_with_decltype<
- F(
- StateRef,
- It0 const&
- )
- >::type
- , typename result_of::next<
- It0 const
- >::type
- , F
- , SeqSize-1
- >::type
- type;
- };
- template<int SeqSize, typename StateRef, typename Seq, typename F>
- struct iter_fold_impl
- {
- typedef typename
- result_of_first_unrollediter_fold<
- StateRef
- , typename result_of::begin<Seq>::type
- , F
- , SeqSize
- >::type
- type;
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static type
- call(StateRef state, Seq& seq, F f)
- {
- typedef
- unrolled_iter_fold<
- type
- , SeqSize
- >
- unrolled_impl;
- return unrolled_impl::call(
- state,
- fusion::begin(seq),
- f);
- }
- };
- template<typename StateRef, typename Seq, typename F>
- struct iter_fold_impl<0,StateRef,Seq,F>
- {
- typedef StateRef type;
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static StateRef
- call(StateRef state, Seq&, F)
- {
- return static_cast<StateRef>(state);
- }
- };
- template<typename Seq, typename State, typename F, bool IsSegmented>
+ return it_iter_fold<
+ typename result_of::next<It>::type
+ , boost::result_of<
+ F(
+ typename add_reference<typename State::type>::type,
+ It const&
+ )
+ >
+ , F
+ >(
+ mpl::int_<SeqSize-1>()
+ , fusion::next(it)
+ , f(state, it)
+ , f
+ );
+ }
+ template<typename Seq, typename State, typename F
+ , bool = traits::is_sequence<Seq>::value
+ , bool = traits::is_segmented<Seq>::value>
struct result_of_iter_fold
- : iter_fold_impl<
+ {};
+ template<typename Seq, typename State, typename F>
+ struct result_of_iter_fold<Seq, State, F, true, false>
+ : result_of_it_iter_fold<
result_of::size<Seq>::value
- , typename add_reference<
- typename add_const<State>::type
- >::type
- , Seq
+ , typename result_of::begin<Seq>::type
+ , add_reference<State>
, F
>
{};
+ template<typename Seq, typename State, typename F>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename result_of_iter_fold<Seq, State, F>::type
+ iter_fold(Seq& seq, State& state, F& f)
+ {
+ return it_iter_fold<
+ typename result_of::begin<Seq>::type
+ , add_reference<State>
+ , F
+ >(
+ typename result_of::size<Seq>::type()
+ , fusion::begin(seq)
+ , state
+ , f
+ );
+ }
}
namespace result_of
{
template<typename Seq, typename State, typename F>
struct iter_fold
- : detail::result_of_iter_fold<
- Seq
- , State
- , F
- , traits::is_segmented<Seq>::type::value
- >
+ : detail::result_of_iter_fold<Seq, State, F>
{};
}
template<typename Seq, typename State, typename F>
@@ -357,10 +150,7 @@ namespace boost { namespace fusion
>::type
iter_fold(Seq& seq, State const& state, F f)
{
- return result_of::iter_fold<Seq,State const,F>::call(
- state,
- seq,
- f);
+ return detail::iter_fold<Seq, State const, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
@@ -371,37 +161,28 @@ namespace boost { namespace fusion
>::type
iter_fold(Seq const& seq, State const& state, F f)
{
- return result_of::iter_fold<Seq const,State const,F>::call(
- state,
- seq,
- f);
+ return detail::iter_fold<Seq const, State const, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::iter_fold<
Seq
- , State const
+ , State
, F
>::type
iter_fold(Seq& seq, State& state, F f)
{
- return result_of::iter_fold<Seq,State,F>::call(
- state,
- seq,
- f);
+ return detail::iter_fold<Seq, State, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::iter_fold<
Seq const
- , State const
+ , State
, F
>::type
iter_fold(Seq const& seq, State& state, F f)
{
- return result_of::iter_fold<Seq const,State,F>::call(
- state,
- seq,
- f);
+ return detail::iter_fold<Seq const, State, F>(seq, state, f);
}
}}
diff --git a/boost/fusion/algorithm/iteration/detail/preprocessed/reverse_fold.hpp b/boost/fusion/algorithm/iteration/detail/preprocessed/reverse_fold.hpp
index 947897821a..4b3b3b1e09 100644
--- a/boost/fusion/algorithm/iteration/detail/preprocessed/reverse_fold.hpp
+++ b/boost/fusion/algorithm/iteration/detail/preprocessed/reverse_fold.hpp
@@ -7,345 +7,138 @@
This is an auto-generated file. Do not edit!
==============================================================================*/
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) void
+# else
+# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) typename T::type
+# endif
namespace boost { namespace fusion
{
namespace detail
{
- template<typename State, typename It, typename F>
- struct reverse_fold_lvalue_state
- : fusion::detail::result_of_with_decltype<
- F(
- typename add_reference<typename add_const<State>::type>::type,
- typename fusion::result_of::deref<It>::type)
- >
- {};
- template<typename Result,int N>
- struct unrolled_reverse_fold
- {
- template<typename State3, typename It3, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_3(State3 const& state3,It3 const& it3,F& f)
- {
- return unrolled_reverse_fold<
- Result
- , N-4
- >::call(
- f(state3,fusion::deref(it3)),
- fusion::prior(it3),
- f);
- }
- template<typename State2, typename It2, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_2(State2 const& state2,It2 const& it2,F& f)
- {
- return call_3(
- f(state2,fusion::deref(it2)),
- fusion::prior(it2),
- f);
- }
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return call_2(
- f(state1,fusion::deref(it1)),
- fusion::prior(it1),
- f);
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,fusion::deref(it0)),
- fusion::prior(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_reverse_fold<Result,3>
- {
- template<typename State2, typename It2, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_2(State2 const& state2,It2 const& it2,F& f)
- {
- return f(state2,fusion::deref(it2));
- }
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return call_2(
- f(state1,fusion::deref(it1)),
- fusion::prior(it1),
- f);
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,fusion::deref(it0)),
- fusion::prior(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_reverse_fold<Result,2>
- {
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return f(state1,fusion::deref(it1));
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,fusion::deref(it0)),
- fusion::prior(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_reverse_fold<Result,1>
- {
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return f(state,
- fusion::deref(it0));
- }
- };
- template<typename Result>
- struct unrolled_reverse_fold<Result,0>
- {
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const&, F)
- {
- return static_cast<Result>(state);
- }
- };
- template<typename StateRef, typename It0, typename F, int N>
- struct result_of_unrolled_reverse_fold
- {
- typedef typename
- reverse_fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- rest1;
- typedef typename
- result_of::prior<
- It0 const
- >::type
- it1;
- typedef typename
- reverse_fold_lvalue_state<
- rest1
- , it1
- , F
- >::type
- rest2;
- typedef typename
- result_of::prior<it1>::type
- it2;
- typedef typename
- reverse_fold_lvalue_state<
- rest2
- , it2
- , F
- >::type
- rest3;
- typedef typename
- result_of::prior<it2>::type
- it3;
- typedef typename
- result_of_unrolled_reverse_fold<
- typename reverse_fold_lvalue_state<
- rest3
- , it3
- , F
- >::type
- , typename result_of::prior<
- it3
- >::type
- , F
- , N-4
- >::type
- type;
- };
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_reverse_fold<
- StateRef
- , It0
- , F
- , 3
+ template<int SeqSize, typename It, typename State, typename F, typename = void
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+
+ , bool = SeqSize == 0
+# endif
>
+ struct result_of_it_reverse_fold
+ {};
+ template<typename It, typename State, typename F>
+ struct result_of_it_reverse_fold<0,It,State,F
+ , typename boost::enable_if_has_type<BOOST_FUSION_FOLD_IMPL_ENABLER(State)>::type
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+ , true
+# endif
+ >
{
- typedef typename
- reverse_fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- rest1;
- typedef typename
- result_of::prior<
- It0 const
- >::type
- it1;
- typedef typename
- reverse_fold_lvalue_state<
- typename reverse_fold_lvalue_state<
- rest1
- , it1
- , F
- >::type
- , typename result_of::prior<
- it1 const
- >::type const
- , F
- >::type
- type;
+ typedef typename State::type type;
};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_reverse_fold<
- StateRef
- , It0
- , F
- , 2
- >
- : reverse_fold_lvalue_state<
- typename reverse_fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- , typename result_of::prior<
- It0 const
- >::type const
+ template<int SeqSize, typename It, typename State, typename F>
+ struct result_of_it_reverse_fold<SeqSize,It,State,F
+ , typename boost::enable_if_has_type<
+# if BOOST_WORKAROUND (BOOST_MSVC, >= 1500)
+
+
+
+ typename boost::disable_if_c<SeqSize == 0, State>::type::type
+# else
+ BOOST_FUSION_FOLD_IMPL_ENABLER(State)
+# endif
+ >::type
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+ , false
+# endif
+ >
+ : result_of_it_reverse_fold<
+ SeqSize-1
+ , typename result_of::prior<It>::type
+ , boost::result_of<
+ F(
+ typename add_reference<typename State::type>::type,
+ typename fusion::result_of::deref<It const>::type
+ )
+ >
, F
>
{};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_reverse_fold<
- StateRef
- , It0
+ template<typename It, typename State, typename F>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename result_of_it_reverse_fold<
+ 0
+ , It
+ , State
, F
- , 1
- >
- : reverse_fold_lvalue_state<
- StateRef
- , It0 const
+ >::type
+ it_reverse_fold(mpl::int_<0>, It const&, typename State::type state, F&)
+ {
+ return state;
+ }
+ template<typename It, typename State, typename F, int SeqSize>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename lazy_enable_if_c<
+ SeqSize != 0
+ , result_of_it_reverse_fold<
+ SeqSize
+ , It
+ , State
, F
>
- {};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_reverse_fold<
- StateRef
- , It0
- , F
- , 0
- >
+ >::type
+ it_reverse_fold(mpl::int_<SeqSize>, It const& it, typename State::type state, F& f)
{
- typedef StateRef type;
- };
- template<typename StateRef, typename It0, typename F, int SeqSize>
- struct result_of_first_unrolledreverse_fold
- {
- typedef typename
- result_of_unrolled_reverse_fold<
- typename fusion::detail::result_of_with_decltype<
- F(
- StateRef,
- typename fusion::result_of::deref< It0 const>::type
- )
- >::type
- , typename result_of::prior<
- It0 const
- >::type
- , F
- , SeqSize-1
- >::type
- type;
- };
- template<int SeqSize, typename StateRef, typename Seq, typename F>
- struct reverse_fold_impl
- {
- typedef typename
- result_of_first_unrolledreverse_fold<
- StateRef
- , typename fusion::result_of::prior< typename result_of::end<Seq>::type >::type
- , F
- , SeqSize
- >::type
- type;
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static type
- call(StateRef state, Seq& seq, F f)
- {
- typedef
- unrolled_reverse_fold<
- type
- , SeqSize
- >
- unrolled_impl;
- return unrolled_impl::call(
- state,
- fusion::prior( fusion::end(seq)),
- f);
- }
- };
- template<typename StateRef, typename Seq, typename F>
- struct reverse_fold_impl<0,StateRef,Seq,F>
- {
- typedef StateRef type;
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static StateRef
- call(StateRef state, Seq&, F)
- {
- return static_cast<StateRef>(state);
- }
- };
- template<typename Seq, typename State, typename F, bool IsSegmented>
+ return it_reverse_fold<
+ typename result_of::prior<It>::type
+ , boost::result_of<
+ F(
+ typename add_reference<typename State::type>::type,
+ typename fusion::result_of::deref<It const>::type
+ )
+ >
+ , F
+ >(
+ mpl::int_<SeqSize-1>()
+ , fusion::prior(it)
+ , f(state, fusion::deref(it))
+ , f
+ );
+ }
+ template<typename Seq, typename State, typename F
+ , bool = traits::is_sequence<Seq>::value
+ , bool = traits::is_segmented<Seq>::value>
struct result_of_reverse_fold
- : reverse_fold_impl<
+ {};
+ template<typename Seq, typename State, typename F>
+ struct result_of_reverse_fold<Seq, State, F, true, false>
+ : result_of_it_reverse_fold<
result_of::size<Seq>::value
- , typename add_reference<
- typename add_const<State>::type
- >::type
- , Seq
+ , typename fusion::result_of::prior< typename result_of::end<Seq>::type >::type
+ , add_reference<State>
, F
>
{};
+ template<typename Seq, typename State, typename F>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename result_of_reverse_fold<Seq, State, F>::type
+ reverse_fold(Seq& seq, State& state, F& f)
+ {
+ return it_reverse_fold<
+ typename fusion::result_of::prior< typename result_of::end<Seq>::type >::type
+ , add_reference<State>
+ , F
+ >(
+ typename result_of::size<Seq>::type()
+ , fusion::prior( fusion::end(seq) )
+ , state
+ , f
+ );
+ }
}
namespace result_of
{
template<typename Seq, typename State, typename F>
struct reverse_fold
- : detail::result_of_reverse_fold<
- Seq
- , State
- , F
- , traits::is_segmented<Seq>::type::value
- >
+ : detail::result_of_reverse_fold<Seq, State, F>
{};
}
template<typename Seq, typename State, typename F>
@@ -357,10 +150,7 @@ namespace boost { namespace fusion
>::type
reverse_fold(Seq& seq, State const& state, F f)
{
- return result_of::reverse_fold<Seq,State const,F>::call(
- state,
- seq,
- f);
+ return detail::reverse_fold<Seq, State const, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
@@ -371,37 +161,28 @@ namespace boost { namespace fusion
>::type
reverse_fold(Seq const& seq, State const& state, F f)
{
- return result_of::reverse_fold<Seq const,State const,F>::call(
- state,
- seq,
- f);
+ return detail::reverse_fold<Seq const, State const, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_fold<
Seq
- , State const
+ , State
, F
>::type
reverse_fold(Seq& seq, State& state, F f)
{
- return result_of::reverse_fold<Seq,State,F>::call(
- state,
- seq,
- f);
+ return detail::reverse_fold<Seq, State, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_fold<
Seq const
- , State const
+ , State
, F
>::type
reverse_fold(Seq const& seq, State& state, F f)
{
- return result_of::reverse_fold<Seq const,State,F>::call(
- state,
- seq,
- f);
+ return detail::reverse_fold<Seq const, State, F>(seq, state, f);
}
}}
diff --git a/boost/fusion/algorithm/iteration/detail/preprocessed/reverse_iter_fold.hpp b/boost/fusion/algorithm/iteration/detail/preprocessed/reverse_iter_fold.hpp
index bf1edca53d..10bd9c7d3b 100644
--- a/boost/fusion/algorithm/iteration/detail/preprocessed/reverse_iter_fold.hpp
+++ b/boost/fusion/algorithm/iteration/detail/preprocessed/reverse_iter_fold.hpp
@@ -7,345 +7,138 @@
This is an auto-generated file. Do not edit!
==============================================================================*/
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) void
+# else
+# define BOOST_FUSION_FOLD_IMPL_ENABLER(T) typename T::type
+# endif
namespace boost { namespace fusion
{
namespace detail
{
- template<typename State, typename It, typename F>
- struct reverse_iter_fold_lvalue_state
- : fusion::detail::result_of_with_decltype<
- F(
- typename add_reference<typename add_const<State>::type>::type,
- It&)
- >
- {};
- template<typename Result,int N>
- struct unrolled_reverse_iter_fold
- {
- template<typename State3, typename It3, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_3(State3 const& state3,It3 const& it3,F& f)
- {
- return unrolled_reverse_iter_fold<
- Result
- , N-4
- >::call(
- f(state3,it3),
- fusion::prior(it3),
- f);
- }
- template<typename State2, typename It2, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_2(State2 const& state2,It2 const& it2,F& f)
- {
- return call_3(
- f(state2,it2),
- fusion::prior(it2),
- f);
- }
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return call_2(
- f(state1,it1),
- fusion::prior(it1),
- f);
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,it0),
- fusion::prior(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_reverse_iter_fold<Result,3>
- {
- template<typename State2, typename It2, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_2(State2 const& state2,It2 const& it2,F& f)
- {
- return f(state2,it2);
- }
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return call_2(
- f(state1,it1),
- fusion::prior(it1),
- f);
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,it0),
- fusion::prior(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_reverse_iter_fold<Result,2>
- {
- template<typename State1, typename It1, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call_1(State1 const& state1,It1 const& it1,F& f)
- {
- return f(state1,it1);
- }
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return call_1(
- f(state,it0),
- fusion::prior(it0),
- f);
- }
- };
- template<typename Result>
- struct unrolled_reverse_iter_fold<Result,1>
- {
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const& it0,F f)
- {
- return f(state,
- it0);
- }
- };
- template<typename Result>
- struct unrolled_reverse_iter_fold<Result,0>
- {
- template<typename State, typename It0, typename F>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static Result
- call(State const& state,It0 const&, F)
- {
- return static_cast<Result>(state);
- }
- };
- template<typename StateRef, typename It0, typename F, int N>
- struct result_of_unrolled_reverse_iter_fold
- {
- typedef typename
- reverse_iter_fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- rest1;
- typedef typename
- result_of::prior<
- It0 const
- >::type
- it1;
- typedef typename
- reverse_iter_fold_lvalue_state<
- rest1
- , it1
- , F
- >::type
- rest2;
- typedef typename
- result_of::prior<it1>::type
- it2;
- typedef typename
- reverse_iter_fold_lvalue_state<
- rest2
- , it2
- , F
- >::type
- rest3;
- typedef typename
- result_of::prior<it2>::type
- it3;
- typedef typename
- result_of_unrolled_reverse_iter_fold<
- typename reverse_iter_fold_lvalue_state<
- rest3
- , it3
- , F
- >::type
- , typename result_of::prior<
- it3
- >::type
- , F
- , N-4
- >::type
- type;
- };
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_reverse_iter_fold<
- StateRef
- , It0
- , F
- , 3
+ template<int SeqSize, typename It, typename State, typename F, typename = void
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+
+ , bool = SeqSize == 0
+# endif
>
+ struct result_of_it_reverse_iter_fold
+ {};
+ template<typename It, typename State, typename F>
+ struct result_of_it_reverse_iter_fold<0,It,State,F
+ , typename boost::enable_if_has_type<BOOST_FUSION_FOLD_IMPL_ENABLER(State)>::type
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+ , true
+# endif
+ >
{
- typedef typename
- reverse_iter_fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- rest1;
- typedef typename
- result_of::prior<
- It0 const
- >::type
- it1;
- typedef typename
- reverse_iter_fold_lvalue_state<
- typename reverse_iter_fold_lvalue_state<
- rest1
- , it1
- , F
- >::type
- , typename result_of::prior<
- it1 const
- >::type const
- , F
- >::type
- type;
+ typedef typename State::type type;
};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_reverse_iter_fold<
- StateRef
- , It0
- , F
- , 2
- >
- : reverse_iter_fold_lvalue_state<
- typename reverse_iter_fold_lvalue_state<
- StateRef
- , It0 const
- , F
- >::type
- , typename result_of::prior<
- It0 const
- >::type const
+ template<int SeqSize, typename It, typename State, typename F>
+ struct result_of_it_reverse_iter_fold<SeqSize,It,State,F
+ , typename boost::enable_if_has_type<
+# if BOOST_WORKAROUND (BOOST_MSVC, >= 1500)
+
+
+
+ typename boost::disable_if_c<SeqSize == 0, State>::type::type
+# else
+ BOOST_FUSION_FOLD_IMPL_ENABLER(State)
+# endif
+ >::type
+# if BOOST_WORKAROUND (BOOST_MSVC, < 1500)
+ , false
+# endif
+ >
+ : result_of_it_reverse_iter_fold<
+ SeqSize-1
+ , typename result_of::prior<It>::type
+ , boost::result_of<
+ F(
+ typename add_reference<typename State::type>::type,
+ It const&
+ )
+ >
, F
>
{};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_reverse_iter_fold<
- StateRef
- , It0
+ template<typename It, typename State, typename F>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename result_of_it_reverse_iter_fold<
+ 0
+ , It
+ , State
, F
- , 1
- >
- : reverse_iter_fold_lvalue_state<
- StateRef
- , It0 const
+ >::type
+ it_reverse_iter_fold(mpl::int_<0>, It const&, typename State::type state, F&)
+ {
+ return state;
+ }
+ template<typename It, typename State, typename F, int SeqSize>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename lazy_enable_if_c<
+ SeqSize != 0
+ , result_of_it_reverse_iter_fold<
+ SeqSize
+ , It
+ , State
, F
>
- {};
- template<typename StateRef, typename It0, typename F>
- struct result_of_unrolled_reverse_iter_fold<
- StateRef
- , It0
- , F
- , 0
- >
+ >::type
+ it_reverse_iter_fold(mpl::int_<SeqSize>, It const& it, typename State::type state, F& f)
{
- typedef StateRef type;
- };
- template<typename StateRef, typename It0, typename F, int SeqSize>
- struct result_of_first_unrolledreverse_iter_fold
- {
- typedef typename
- result_of_unrolled_reverse_iter_fold<
- typename fusion::detail::result_of_with_decltype<
- F(
- StateRef,
- It0 const&
- )
- >::type
- , typename result_of::prior<
- It0 const
- >::type
- , F
- , SeqSize-1
- >::type
- type;
- };
- template<int SeqSize, typename StateRef, typename Seq, typename F>
- struct reverse_iter_fold_impl
- {
- typedef typename
- result_of_first_unrolledreverse_iter_fold<
- StateRef
- , typename fusion::result_of::prior< typename result_of::end<Seq>::type >::type
- , F
- , SeqSize
- >::type
- type;
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static type
- call(StateRef state, Seq& seq, F f)
- {
- typedef
- unrolled_reverse_iter_fold<
- type
- , SeqSize
- >
- unrolled_impl;
- return unrolled_impl::call(
- state,
- fusion::prior( fusion::end(seq)),
- f);
- }
- };
- template<typename StateRef, typename Seq, typename F>
- struct reverse_iter_fold_impl<0,StateRef,Seq,F>
- {
- typedef StateRef type;
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static StateRef
- call(StateRef state, Seq&, F)
- {
- return static_cast<StateRef>(state);
- }
- };
- template<typename Seq, typename State, typename F, bool IsSegmented>
+ return it_reverse_iter_fold<
+ typename result_of::prior<It>::type
+ , boost::result_of<
+ F(
+ typename add_reference<typename State::type>::type,
+ It const&
+ )
+ >
+ , F
+ >(
+ mpl::int_<SeqSize-1>()
+ , fusion::prior(it)
+ , f(state, it)
+ , f
+ );
+ }
+ template<typename Seq, typename State, typename F
+ , bool = traits::is_sequence<Seq>::value
+ , bool = traits::is_segmented<Seq>::value>
struct result_of_reverse_iter_fold
- : reverse_iter_fold_impl<
+ {};
+ template<typename Seq, typename State, typename F>
+ struct result_of_reverse_iter_fold<Seq, State, F, true, false>
+ : result_of_it_reverse_iter_fold<
result_of::size<Seq>::value
- , typename add_reference<
- typename add_const<State>::type
- >::type
- , Seq
+ , typename fusion::result_of::prior< typename result_of::end<Seq>::type >::type
+ , add_reference<State>
, F
>
{};
+ template<typename Seq, typename State, typename F>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ inline typename result_of_reverse_iter_fold<Seq, State, F>::type
+ reverse_iter_fold(Seq& seq, State& state, F& f)
+ {
+ return it_reverse_iter_fold<
+ typename fusion::result_of::prior< typename result_of::end<Seq>::type >::type
+ , add_reference<State>
+ , F
+ >(
+ typename result_of::size<Seq>::type()
+ , fusion::prior( fusion::end(seq) )
+ , state
+ , f
+ );
+ }
}
namespace result_of
{
template<typename Seq, typename State, typename F>
struct reverse_iter_fold
- : detail::result_of_reverse_iter_fold<
- Seq
- , State
- , F
- , traits::is_segmented<Seq>::type::value
- >
+ : detail::result_of_reverse_iter_fold<Seq, State, F>
{};
}
template<typename Seq, typename State, typename F>
@@ -357,10 +150,7 @@ namespace boost { namespace fusion
>::type
reverse_iter_fold(Seq& seq, State const& state, F f)
{
- return result_of::reverse_iter_fold<Seq,State const,F>::call(
- state,
- seq,
- f);
+ return detail::reverse_iter_fold<Seq, State const, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
@@ -371,37 +161,28 @@ namespace boost { namespace fusion
>::type
reverse_iter_fold(Seq const& seq, State const& state, F f)
{
- return result_of::reverse_iter_fold<Seq const,State const,F>::call(
- state,
- seq,
- f);
+ return detail::reverse_iter_fold<Seq const, State const, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_iter_fold<
Seq
- , State const
+ , State
, F
>::type
reverse_iter_fold(Seq& seq, State& state, F f)
{
- return result_of::reverse_iter_fold<Seq,State,F>::call(
- state,
- seq,
- f);
+ return detail::reverse_iter_fold<Seq, State, F>(seq, state, f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_iter_fold<
Seq const
- , State const
+ , State
, F
>::type
reverse_iter_fold(Seq const& seq, State& state, F f)
{
- return result_of::reverse_iter_fold<Seq const,State,F>::call(
- state,
- seq,
- f);
+ return detail::reverse_iter_fold<Seq const, State, F>(seq, state, f);
}
}}
diff --git a/boost/fusion/algorithm/iteration/detail/segmented_fold.hpp b/boost/fusion/algorithm/iteration/detail/segmented_fold.hpp
index 4ff679af2e..350bff75b3 100644
--- a/boost/fusion/algorithm/iteration/detail/segmented_fold.hpp
+++ b/boost/fusion/algorithm/iteration/detail/segmented_fold.hpp
@@ -10,6 +10,7 @@
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/algorithm/iteration/fold_fwd.hpp>
#include <boost/fusion/support/segmented_fold_until.hpp>
+#include <boost/mpl/bool.hpp>
namespace boost { namespace fusion { namespace detail
{
@@ -38,11 +39,11 @@ namespace boost { namespace fusion { namespace detail
};
// The default implementation of this lives in detail/fold.hpp
- template <typename Sequence, typename State, typename Fun, bool IsSegmented>
+ template <typename Sequence, typename State, typename Fun, bool IsSequence, bool IsSegmented>
struct result_of_fold;
template <typename Sequence, typename State, typename Fun>
- struct result_of_fold<Sequence, State, Fun, true>
+ struct result_of_fold<Sequence, State, Fun, true, true>
{
typedef
typename result_of::segmented_fold_until<
@@ -53,7 +54,7 @@ namespace boost { namespace fusion { namespace detail
type;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static type call(State& state, Sequence& seq, Fun fun)
+ static type call(Sequence& seq, State& state, Fun& fun)
{
return fusion::segmented_fold_until(seq, state, segmented_fold_fun<Fun>(fun));
}
diff --git a/boost/fusion/algorithm/iteration/fold.hpp b/boost/fusion/algorithm/iteration/fold.hpp
index a2a0146ab4..039e01c0c7 100644
--- a/boost/fusion/algorithm/iteration/fold.hpp
+++ b/boost/fusion/algorithm/iteration/fold.hpp
@@ -2,6 +2,7 @@
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2007 Dan Marsden
Copyright (c) 2009-2010 Christopher Schmidt
+ Copyright (c) 2015 Kohei Takahashi
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)
@@ -10,24 +11,17 @@
#define BOOST_FUSION_ALGORITHM_ITERATION_FOLD_HPP
#include <boost/fusion/support/config.hpp>
-#include <boost/fusion/support/detail/result_of.hpp>
#include <boost/fusion/algorithm/iteration/fold_fwd.hpp>
#include <boost/config.hpp>
#include <boost/fusion/sequence/intrinsic/begin.hpp>
-#include <boost/fusion/sequence/intrinsic/end.hpp>
-#include <boost/fusion/sequence/intrinsic/empty.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/support/is_segmented.hpp>
-#include <boost/fusion/iterator/equal_to.hpp>
+#include <boost/fusion/support/is_sequence.hpp>
#include <boost/fusion/iterator/deref.hpp>
#include <boost/fusion/iterator/value_of.hpp>
-#include <boost/fusion/iterator/prior.hpp>
#include <boost/fusion/iterator/next.hpp>
-#include <boost/mpl/eval_if.hpp>
-#include <boost/mpl/if.hpp>
-#include <boost/mpl/bool.hpp>
#include <boost/utility/result_of.hpp>
-#include <boost/type_traits/add_const.hpp>
+#include <boost/core/enable_if.hpp>
#include <boost/type_traits/add_reference.hpp>
#if !defined(BOOST_FUSION_DONT_USE_PREPROCESSED_FILES)
diff --git a/boost/fusion/algorithm/iteration/fold_fwd.hpp b/boost/fusion/algorithm/iteration/fold_fwd.hpp
index f8328e80f9..0dbac7618b 100644
--- a/boost/fusion/algorithm/iteration/fold_fwd.hpp
+++ b/boost/fusion/algorithm/iteration/fold_fwd.hpp
@@ -38,7 +38,7 @@ namespace boost { namespace fusion
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::fold<
Seq
- , State const
+ , State
, F
>::type
fold(Seq& seq, State& state, F f);
@@ -47,7 +47,7 @@ namespace boost { namespace fusion
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::fold<
Seq const
- , State const
+ , State
, F
>::type
fold(Seq const& seq, State& state, F f);
diff --git a/boost/fusion/algorithm/iteration/iter_fold.hpp b/boost/fusion/algorithm/iteration/iter_fold.hpp
index b59a6957bc..cff5b4edf9 100644
--- a/boost/fusion/algorithm/iteration/iter_fold.hpp
+++ b/boost/fusion/algorithm/iteration/iter_fold.hpp
@@ -1,6 +1,7 @@
/*=============================================================================
Copyright (c) 2010 Christopher Schmidt
Copyright (c) 2001-2011 Joel de Guzman
+ Copyright (c) 2015 Kohei Takahashi
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)
@@ -13,20 +14,14 @@
#include <boost/fusion/algorithm/iteration/iter_fold_fwd.hpp>
#include <boost/config.hpp>
#include <boost/fusion/sequence/intrinsic/begin.hpp>
-#include <boost/fusion/sequence/intrinsic/end.hpp>
-#include <boost/fusion/sequence/intrinsic/empty.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/support/is_segmented.hpp>
-#include <boost/fusion/support/detail/result_of.hpp>
-#include <boost/fusion/iterator/equal_to.hpp>
+#include <boost/fusion/support/is_sequence.hpp>
#include <boost/fusion/iterator/deref.hpp>
#include <boost/fusion/iterator/value_of.hpp>
-#include <boost/fusion/iterator/prior.hpp>
#include <boost/fusion/iterator/next.hpp>
-#include <boost/mpl/eval_if.hpp>
-#include <boost/mpl/if.hpp>
-#include <boost/mpl/bool.hpp>
-#include <boost/type_traits/add_const.hpp>
+#include <boost/utility/result_of.hpp>
+#include <boost/core/enable_if.hpp>
#include <boost/type_traits/add_reference.hpp>
#define BOOST_FUSION_ITER_FOLD
diff --git a/boost/fusion/algorithm/iteration/iter_fold_fwd.hpp b/boost/fusion/algorithm/iteration/iter_fold_fwd.hpp
index 6c595cf198..1d8543ca5f 100644
--- a/boost/fusion/algorithm/iteration/iter_fold_fwd.hpp
+++ b/boost/fusion/algorithm/iteration/iter_fold_fwd.hpp
@@ -38,7 +38,7 @@ namespace boost { namespace fusion
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::iter_fold<
Seq
- , State const
+ , State
, F
>::type
iter_fold(Seq& seq, State& state, F f);
@@ -47,7 +47,7 @@ namespace boost { namespace fusion
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::iter_fold<
Seq const
- , State const
+ , State
, F
>::type
iter_fold(Seq const& seq, State& state, F f);
diff --git a/boost/fusion/algorithm/iteration/reverse_fold.hpp b/boost/fusion/algorithm/iteration/reverse_fold.hpp
index dffff79e14..252ad30836 100644
--- a/boost/fusion/algorithm/iteration/reverse_fold.hpp
+++ b/boost/fusion/algorithm/iteration/reverse_fold.hpp
@@ -1,6 +1,7 @@
/*=============================================================================
Copyright (c) 2010 Christopher Schmidt
Copyright (c) 2001-2011 Joel de Guzman
+ Copyright (c) 2015 Kohei Takahashi
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)
@@ -10,24 +11,17 @@
#define BOOST_FUSION_ALGORITHM_ITERATION_REVERSE_FOLD_HPP
#include <boost/fusion/support/config.hpp>
-#include <boost/fusion/support/detail/result_of.hpp>
#include <boost/fusion/algorithm/iteration/reverse_fold_fwd.hpp>
#include <boost/config.hpp>
-#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/fusion/sequence/intrinsic/end.hpp>
-#include <boost/fusion/sequence/intrinsic/empty.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/support/is_segmented.hpp>
-#include <boost/fusion/iterator/equal_to.hpp>
+#include <boost/fusion/support/is_sequence.hpp>
#include <boost/fusion/iterator/deref.hpp>
#include <boost/fusion/iterator/value_of.hpp>
#include <boost/fusion/iterator/prior.hpp>
-#include <boost/fusion/iterator/next.hpp>
-#include <boost/mpl/eval_if.hpp>
-#include <boost/mpl/if.hpp>
-#include <boost/mpl/bool.hpp>
#include <boost/utility/result_of.hpp>
-#include <boost/type_traits/add_const.hpp>
+#include <boost/core/enable_if.hpp>
#include <boost/type_traits/add_reference.hpp>
#define BOOST_FUSION_REVERSE_FOLD
diff --git a/boost/fusion/algorithm/iteration/reverse_fold_fwd.hpp b/boost/fusion/algorithm/iteration/reverse_fold_fwd.hpp
index 42c8ac2163..c5e24b34a9 100644
--- a/boost/fusion/algorithm/iteration/reverse_fold_fwd.hpp
+++ b/boost/fusion/algorithm/iteration/reverse_fold_fwd.hpp
@@ -38,7 +38,7 @@ namespace boost { namespace fusion
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_fold<
Seq
- , State const
+ , State
, F
>::type
reverse_fold(Seq& seq, State& state, F f);
@@ -47,7 +47,7 @@ namespace boost { namespace fusion
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_fold<
Seq const
- , State const
+ , State
, F
>::type
reverse_fold(Seq const& seq, State& state, F f);
diff --git a/boost/fusion/algorithm/iteration/reverse_iter_fold.hpp b/boost/fusion/algorithm/iteration/reverse_iter_fold.hpp
index d36861f37b..3276bbde57 100644
--- a/boost/fusion/algorithm/iteration/reverse_iter_fold.hpp
+++ b/boost/fusion/algorithm/iteration/reverse_iter_fold.hpp
@@ -1,6 +1,7 @@
/*=============================================================================
Copyright (c) 2010 Christopher Schmidt
Copyright (c) 2001-2011 Joel de Guzman
+ Copyright (c) 2015 Kohei Takahashi
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)
@@ -9,24 +10,17 @@
#define BOOST_FUSION_ALGORITHM_ITERATION_REVERSE_ITER_FOLD_HPP
#include <boost/fusion/support/config.hpp>
-#include <boost/fusion/support/detail/result_of.hpp>
#include <boost/fusion/algorithm/iteration/reverse_iter_fold_fwd.hpp>
#include <boost/config.hpp>
-#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/fusion/sequence/intrinsic/end.hpp>
-#include <boost/fusion/sequence/intrinsic/empty.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/support/is_segmented.hpp>
-#include <boost/fusion/iterator/equal_to.hpp>
+#include <boost/fusion/support/is_sequence.hpp>
#include <boost/fusion/iterator/deref.hpp>
#include <boost/fusion/iterator/value_of.hpp>
#include <boost/fusion/iterator/prior.hpp>
-#include <boost/fusion/iterator/next.hpp>
-#include <boost/mpl/eval_if.hpp>
-#include <boost/mpl/if.hpp>
-#include <boost/mpl/bool.hpp>
#include <boost/utility/result_of.hpp>
-#include <boost/type_traits/add_const.hpp>
+#include <boost/core/enable_if.hpp>
#include <boost/type_traits/add_reference.hpp>
#define BOOST_FUSION_REVERSE_FOLD
diff --git a/boost/fusion/algorithm/iteration/reverse_iter_fold_fwd.hpp b/boost/fusion/algorithm/iteration/reverse_iter_fold_fwd.hpp
index 21d99deead..76f0186392 100644
--- a/boost/fusion/algorithm/iteration/reverse_iter_fold_fwd.hpp
+++ b/boost/fusion/algorithm/iteration/reverse_iter_fold_fwd.hpp
@@ -38,7 +38,7 @@ namespace boost { namespace fusion
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_iter_fold<
Seq
- , State const
+ , State
, F
>::type
reverse_iter_fold(Seq& seq, State& state, F f);
@@ -47,7 +47,7 @@ namespace boost { namespace fusion
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_iter_fold<
Seq const
- , State const
+ , State
, F
>::type
reverse_iter_fold(Seq const& seq, State& state, F f);