ceph/src/boost/boost/fusion/functional/adapter/fused.hpp

   1 /*=============================================================================
   2     Copyright (c) 2006-2007 Tobias Schwinger
   3
   4     Use modification and distribution are subject to the Boost Software
   5     License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6     http://www.boost.org/LICENSE_1_0.txt).
   7 ==============================================================================*/
   8
   9 #if !defined(BOOST_FUSION_FUNCTIONAL_ADAPTER_FUSED_HPP_INCLUDED)
  10 #define BOOST_FUSION_FUNCTIONAL_ADAPTER_FUSED_HPP_INCLUDED
  11
  12 #include <boost/fusion/support/config.hpp>
  13 #include <boost/type_traits/add_reference.hpp>
  14 #include <boost/config.hpp>
  15
  16 #include <boost/fusion/functional/adapter/detail/access.hpp>
  17 #include <boost/fusion/functional/invocation/invoke.hpp>
  18
  19 #if defined (BOOST_MSVC)
  20 #  pragma warning(push)
  21 #  pragma warning (disable: 4512) // assignment operator could not be generated.
  22 #endif
  23
  24 namespace boost { namespace fusion
  25 {
  26     template <typename Function> class fused;
  27
  28     //----- ---- --- -- - -  -   -
  29
  30     template <typename Function>
  31     class fused
  32     {
  33         Function fnc_transformed;
  34
  35         typedef typename detail::qf_c<Function>::type & func_const_fwd_t;
  36         typedef typename detail::qf<Function>::type & func_fwd_t;
  37
  38     public:
  39
  40         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  41         inline explicit fused(func_const_fwd_t f = Function())
  42             : fnc_transformed(f)
  43         { }
  44
  45         template <class Seq>
  46         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  47         inline typename result_of::invoke<func_const_fwd_t,Seq const>::type
  48         operator()(Seq const & s) const
  49         {
  50             return fusion::invoke<func_const_fwd_t>(this->fnc_transformed,s);
  51         }
  52
  53         template <class Seq>
  54         BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  55         inline typename result_of::invoke<func_fwd_t,Seq const>::type
  56         operator()(Seq const & s)
  57         {
  58             return fusion::invoke<func_fwd_t>(this->fnc_transformed,s);
  59         }
  60
  61         template <class Seq>
  62         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  63         inline typename result_of::invoke<func_const_fwd_t,Seq>::type
  64         operator()(Seq & s) const
  65         {
  66             return fusion::invoke<func_const_fwd_t>(this->fnc_transformed,s);
  67         }
  68
  69         template <class Seq>
  70         BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  71         inline typename result_of::invoke<func_fwd_t,Seq>::type
  72         operator()(Seq & s)
  73         {
  74             return fusion::invoke<func_fwd_t>(this->fnc_transformed,s);
  75         }
  76
  77         template <typename Sig>
  78         struct result;
  79
  80         template <class Self, class Seq>
  81         struct result< Self const (Seq) >
  82             : result_of::invoke<func_const_fwd_t,
  83                 typename boost::remove_reference<Seq>::type >
  84         { };
  85
  86         template <class Self, class Seq>
  87         struct result< Self(Seq) >
  88             : result_of::invoke<func_fwd_t,
  89                 typename boost::remove_reference<Seq>::type >
  90         { };
  91
  92     };
  93
  94 }}
  95
  96 #if defined (BOOST_MSVC)
  97 #  pragma warning(pop)
  98 #endif
  99
 100 #endif
 101