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result_of and polymorphic function obj compatibility

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[SVN r37962]
This commit is contained in:
Dan Marsden
2007-06-11 07:01:05 +00:00
parent 414b87dbdb
commit 0fcbc5b467
42 changed files with 477 additions and 410 deletions
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50
include/boost/fusion/functional/adapter/unfused_generic.hpp
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@ -33,7 +33,8 @@ namespace boost { namespace fusion
struct void_;
template <class Function> class unfused_generic
template <class Function>
class unfused_generic
: public detail::nullary_call_base<unfused_generic<Function>, Function>
{
Function fnc_transformed;
@ -44,7 +45,7 @@ namespace boost { namespace fusion
typedef detail::nullary_call_base<
fusion::unfused_generic<Function>, Function > base;
typedef typename boost::remove_reference<Function>::type function;
typedef typename remove_const<typename boost::remove_reference<Function>::type>::type function;
typedef typename detail::call_param<Function>::type func_const_fwd_t;
public:
@ -55,32 +56,26 @@ namespace boost { namespace fusion
using base::operator();
template <
BOOST_PP_ENUM_BINARY_PARAMS(BOOST_FUSION_UNFUSED_GENERIC_MAX_ARITY,
typename T, = fusion::void_ BOOST_PP_INTERCEPT),
class _ = fusion::void_
>
template <typename T>
struct result;
template <class _>
struct result<
BOOST_PP_ENUM_PARAMS(BOOST_FUSION_UNFUSED_GENERIC_MAX_ARITY,
fusion::void_ BOOST_PP_INTERCEPT),_>
template <typename Func>
struct result<unfused_generic<Func>()>
: base::r0
{ };
#define BOOST_FUSION_CODE(tpl_params,arg_types,params,args) \
template <tpl_params> \
inline typename function::template result< \
BOOST_PP_CAT(fusion::vector,N)<arg_types> >::type \
inline typename function::template result<function( \
BOOST_PP_CAT(fusion::vector,N)<arg_types>)>::type \
operator()(params) const \
{ \
BOOST_PP_CAT(fusion::vector,N)<arg_types> arg(args); \
return this->fnc_transformed(arg); \
} \
template <tpl_params> \
inline typename function::template result< \
BOOST_PP_CAT(fusion::vector,N)<arg_types> >::type \
inline typename function::template result<function( \
BOOST_PP_CAT(fusion::vector,N)<arg_types>)>::type \
operator()(params) \
{ \
BOOST_PP_CAT(fusion::vector,N)<arg_types> arg(args); \
@ -100,10 +95,14 @@ namespace boost { namespace fusion
};
}}
#define BOOST_FUSION_CLASS_TPL_PARAMS class F
#define BOOST_FUSION_CLASS_TPL_SPEC fusion::unfused_generic<F>
#define BOOST_FUSION_FUNC_OBJ_ARITY BOOST_FUSION_UNFUSED_GENERIC_MAX_ARITY
#include <boost/fusion/functional/adapter/detail/gen_result_of_spec.hpp>
namespace boost {
template<typename Func>
struct result_of<boost::fusion::unfused_generic<Func>()>
{
typedef boost::fusion::unfused_generic<Func> function;
typedef typename function::template result<function()>::type type;
};
}
#define BOOST_FUSION_FUNCTIONAL_ADAPTER_UNFUSED_GENERIC_HPP_INCLUDED
#else // defined(BOOST_PP_IS_ITERATING)
@ -116,17 +115,12 @@ namespace boost { namespace fusion
#include <boost/fusion/functional/adapter/detail/pt_def.hpp>
#if BOOST_PP_SLOT_1() == 0
template <BOOST_PP_ENUM_PARAMS(N,typename T), class _>
template <typename Func, BOOST_PP_ENUM_PARAMS(N,typename T)>
struct result
#if N < BOOST_FUSION_UNFUSED_GENERIC_MAX_ARITY
< BOOST_PP_ENUM_PARAMS(N,T),
BOOST_PP_ENUM_PARAMS(
BOOST_PP_SUB(BOOST_FUSION_UNFUSED_GENERIC_MAX_ARITY,N),
fusion::void_ BOOST_PP_INTERCEPT), _ >
#endif
: function::template result< BOOST_PP_CAT(fusion::vector,N)<
<unfused_generic<Func>(BOOST_PP_ENUM_PARAMS(N,T))>
: function::template result<function(BOOST_PP_CAT(fusion::vector,N)<
BOOST_PP_ENUM_BINARY_PARAMS(N,typename detail::gref<T,>::type
BOOST_PP_INTERCEPT) > >
BOOST_PP_INTERCEPT) >)>
{ };
#endif