/*=============================================================================
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Copyright (c) 2006-2007 Tobias Schwinger
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Use modification and distribution are subject to the Boost Software
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License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt).
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==============================================================================*/
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#if !defined(BOOST_FUSION_FUNCTIONAL_ADAPTER_UNFUSED_HPP_INCLUDED)
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#if !defined(BOOST_PP_IS_ITERATING)
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/iteration/iterate.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/preprocessor/repetition/enum_binary_params.hpp>
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#include <boost/preprocessor/facilities/intercept.hpp>
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#include <boost/utility/result_of.hpp>
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#include <boost/config.hpp>
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#include <boost/fusion/container/vector/vector.hpp>
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#include <boost/fusion/functional/adapter/limits.hpp>
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#include <boost/fusion/functional/adapter/detail/access.hpp>
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#if defined (BOOST_MSVC)
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# pragma warning(push)
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# pragma warning (disable: 4512) // assignment operator could not be generated.
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#endif
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namespace boost { namespace fusion
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{
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template <class Function, bool AllowNullary = true>
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class unfused;
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//----- ---- --- -- - - - -
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template <class Function>
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class unfused<Function,true>
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: public unfused<Function,false>
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{
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typedef typename detail::qf_c<Function>::type function_c;
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typedef typename detail::qf<Function>::type function;
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typedef typename detail::call_param<Function>::type func_const_fwd_t;
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public:
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using unfused<Function,false>::operator();
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline explicit unfused(func_const_fwd_t f = function())
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: unfused<Function,false>(f)
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{ }
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typedef typename boost::result_of<
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function_c(fusion::vector0<> &) >::type call_const_0_result;
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BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline call_const_0_result operator()() const
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{
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fusion::vector0<> arg;
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return this->fnc_transformed(arg);
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}
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typedef typename boost::result_of<
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function(fusion::vector0<> &) >::type call_0_result;
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BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline call_0_result operator()()
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{
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fusion::vector0<> arg;
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return this->fnc_transformed(arg);
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}
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};
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template <class Function> class unfused<Function,false>
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{
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protected:
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Function fnc_transformed;
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typedef typename detail::qf_c<Function>::type function_c;
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typedef typename detail::qf<Function>::type function;
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typedef typename detail::call_param<Function>::type func_const_fwd_t;
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public:
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline explicit unfused(func_const_fwd_t f = function())
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: fnc_transformed(f)
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{ }
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template <typename Sig>
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struct result;
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#define BOOST_PP_FILENAME_1 \
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<boost/fusion/functional/adapter/unfused.hpp>
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#define BOOST_PP_ITERATION_LIMITS \
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(1,BOOST_FUSION_UNFUSED_MAX_ARITY)
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#include BOOST_PP_ITERATE()
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};
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}}
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#if defined (BOOST_MSVC)
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# pragma warning(pop)
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#endif
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namespace boost
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{
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#if !defined(BOOST_RESULT_OF_USE_DECLTYPE) || defined(BOOST_NO_CXX11_DECLTYPE)
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template<class F>
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struct result_of< boost::fusion::unfused<F> const () >
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{
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typedef typename boost::fusion::unfused<F>::call_const_0_result type;
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};
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template<class F>
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struct result_of< boost::fusion::unfused<F>() >
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{
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typedef typename boost::fusion::unfused<F>::call_0_result type;
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};
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#endif
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template<class F>
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struct tr1_result_of< boost::fusion::unfused<F> const () >
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{
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typedef typename boost::fusion::unfused<F>::call_const_0_result type;
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};
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template<class F>
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struct tr1_result_of< boost::fusion::unfused<F>() >
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{
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typedef typename boost::fusion::unfused<F>::call_0_result type;
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};
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}
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#define BOOST_FUSION_FUNCTIONAL_ADAPTER_UNFUSED_HPP_INCLUDED
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#else // defined(BOOST_PP_IS_ITERATING)
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////////////////////////////////////////////////////////////////////////////////
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//
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// Preprocessor vertical repetition code
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//
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////////////////////////////////////////////////////////////////////////////////
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#define N BOOST_PP_ITERATION()
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template <class Self, BOOST_PP_ENUM_PARAMS(N,typename T)>
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struct result< Self const (BOOST_PP_ENUM_PARAMS(N,T)) >
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: boost::result_of< function_c(
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BOOST_PP_CAT(fusion::vector,N)< BOOST_PP_ENUM_BINARY_PARAMS(N,
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typename detail::mref<T,>::type BOOST_PP_INTERCEPT) > & )>
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{ };
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template <class Self, BOOST_PP_ENUM_PARAMS(N,typename T)>
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struct result< Self(BOOST_PP_ENUM_PARAMS(N,T)) >
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: boost::result_of< function(
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BOOST_PP_CAT(fusion::vector,N)< BOOST_PP_ENUM_BINARY_PARAMS(N,
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typename detail::mref<T,>::type BOOST_PP_INTERCEPT) > & )>
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{ };
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template <BOOST_PP_ENUM_PARAMS(N,typename T)>
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BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename boost::result_of<function_c(BOOST_PP_CAT(fusion::vector,N)
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<BOOST_PP_ENUM_BINARY_PARAMS(N,T,& BOOST_PP_INTERCEPT)> & )>::type
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operator()(BOOST_PP_ENUM_BINARY_PARAMS(N,T,& a)) const
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{
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BOOST_PP_CAT(fusion::vector,N)<
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BOOST_PP_ENUM_BINARY_PARAMS(N,T,& BOOST_PP_INTERCEPT) >
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arg(BOOST_PP_ENUM_PARAMS(N,a));
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return this->fnc_transformed(arg);
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}
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template <BOOST_PP_ENUM_PARAMS(N,typename T)>
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BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename boost::result_of<function(BOOST_PP_CAT(fusion::vector,N)
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<BOOST_PP_ENUM_BINARY_PARAMS(N,T,& BOOST_PP_INTERCEPT)> & )>::type
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operator()(BOOST_PP_ENUM_BINARY_PARAMS(N,T,& a))
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{
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BOOST_PP_CAT(fusion::vector,N)<
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BOOST_PP_ENUM_BINARY_PARAMS(N,T,& BOOST_PP_INTERCEPT) >
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arg(BOOST_PP_ENUM_PARAMS(N,a));
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return this->fnc_transformed(arg);
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}
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#undef N
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#endif // defined(BOOST_PP_IS_ITERATING)
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#endif
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