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completes boost::result_of-based result type computation

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[SVN r38194]
This commit is contained in:
Tobias Schwinger
2007-07-12 09:08:46 +00:00
parent 046d853d63
commit 8eda5d32ca
16 changed files with 305 additions and 156 deletions
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48
include/boost/fusion/functional/adapter/unfused_rvalue_args.hpp
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@ -55,12 +55,18 @@ namespace boost { namespace fusion
using base::operator();
template <typename T>
struct result;
template <typename Sig>
struct result
{ };
template <typename Func>
struct result<unfused_rvalue_args<Func>()>
: base::r0
template <class Self>
struct result< Self const () >
: base::call_const_0_result_class
{ };
template <class Self>
struct result< Self() >
: base::call_0_result_class
{ };
#define BOOST_PP_FILENAME_1 \
@ -71,12 +77,17 @@ namespace boost { namespace fusion
};
}}
namespace boost {
template<typename Func>
struct result_of<boost::fusion::unfused_rvalue_args<Func>()>
namespace boost
{
template<class F>
struct result_of<boost::fusion::unfused_rvalue_args<F> const ()>
{
typedef boost::fusion::unfused_rvalue_args<Func> function;
typedef typename function::template result<function()>::type type;
typedef typename boost::fusion::unfused_rvalue_args<F>::call_const_0_result type;
};
template<class F>
struct result_of<boost::fusion::unfused_rvalue_args<F>()>
{
typedef typename boost::fusion::unfused_rvalue_args<F>::call_0_result type;
};
}
@ -89,11 +100,18 @@ namespace boost {
////////////////////////////////////////////////////////////////////////////////
#define N BOOST_PP_ITERATION()
template <typename Func, BOOST_PP_ENUM_PARAMS(N,typename T)>
struct result<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::cref<T,>::type
BOOST_PP_INTERCEPT) >)>
template <class Self, BOOST_PP_ENUM_PARAMS(N,typename T)>
struct result< Self const (BOOST_PP_ENUM_PARAMS(N,T)) >
: function::template result< function const (
BOOST_PP_CAT(fusion::vector,N)< BOOST_PP_ENUM_BINARY_PARAMS(N,
typename detail::cref<T,>::type BOOST_PP_INTERCEPT) >)>
{ };
template <class Self, BOOST_PP_ENUM_PARAMS(N,typename T)>
struct result< Self (BOOST_PP_ENUM_PARAMS(N,T)) >
: function::template result< function (
BOOST_PP_CAT(fusion::vector,N)< BOOST_PP_ENUM_BINARY_PARAMS(N,
typename detail::cref<T,>::type BOOST_PP_INTERCEPT) >)>
{ };
template <BOOST_PP_ENUM_PARAMS(N,typename T)>