forked from boostorg/fusion
83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/*=============================================================================
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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_FUSED_FUNCTION_OBJECT_HPP_INCLUDED)
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#define BOOST_FUSION_FUNCTIONAL_ADAPTER_FUSED_FUNCTION_OBJECT_HPP_INCLUDED
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#include <boost/type_traits/add_reference.hpp>
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#include <boost/fusion/support/detail/access.hpp>
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#include <boost/fusion/functional/invocation/invoke_function_object.hpp>
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namespace boost { namespace fusion
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{
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template <class Function> class fused_function_object;
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//----- ---- --- -- - - - -
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template <class Function>
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class fused_function_object
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{
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Function fnc_transformed;
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typedef typename boost::add_reference<Function>::type func_fwd_t;
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typedef typename detail::call_param<Function>::type func_const_fwd_t;
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public:
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inline explicit fused_function_object(func_const_fwd_t f = Function())
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: fnc_transformed(f)
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{ }
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template <class Seq>
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inline typename result_of::invoke_function_object<Function,Seq const
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>::type operator()(Seq const & s) const
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{
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return fusion::invoke_function_object<
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func_const_fwd_t >(this->fnc_transformed,s);
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}
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template <class Seq>
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inline typename result_of::invoke_function_object<Function,Seq const
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>::type
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operator()(Seq const & s)
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{
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return fusion::invoke_function_object<
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func_fwd_t >(this->fnc_transformed,s);
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}
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template <class Seq>
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inline typename result_of::invoke_function_object<Function,Seq>::type
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operator()(Seq & s) const
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{
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return fusion::invoke_function_object<
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func_const_fwd_t >(this->fnc_transformed,s);
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}
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template <class Seq>
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inline typename result_of::invoke_function_object<Function,Seq>::type
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operator()(Seq & s)
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{
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return fusion::invoke_function_object<
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func_fwd_t >(this->fnc_transformed,s);
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}
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template<typename T>
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struct result;
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template <typename Seq>
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struct result<fused_function_object(Seq)>
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: result_of::invoke_function_object<Function, Seq>
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{ };
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};
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}}
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#endif
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