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Denis Blank 2015-06-15 01:30:49 +02:00 committed by Naios
parent 3c6c05db84
commit 3ec940c1a5
1 changed files with 44 additions and 44 deletions
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88
fluent/Continuable.h
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@ -39,6 +39,50 @@ namespace detail
template<typename _STy, typename _CTy>
class _ContinuableImpl;
/// Corrects void return types from functional types which should be Continuable<DefaultContinuableState, Callback<>>
template<typename _RTy>
struct convert_void_to_continuable;
template<>
struct convert_void_to_continuable<void>
{
typedef _ContinuableImpl<DefaultContinuableState, Callback<>> type;
};
template<typename _State, typename _CTy>
struct convert_void_to_continuable < _ContinuableImpl<_State, _CTy> >
{
typedef _ContinuableImpl<_State, _CTy> type;
};
template<typename _NextRTy, typename... _NextATy>
struct unary_chainer;
// MSVC 12 has issues to detect the parameter pack otherwise.
template<typename _NextRTy, typename... _NextATy>
struct unary_chainer< _NextRTy, fu::identity<_NextATy...>>
{
typedef typename convert_void_to_continuable<_NextRTy>::type result_t;
typedef typename result_t::CallbackFunction callback_t;
/*
template<typename _CTy>
static auto chain(_CTy&&)
-> typename convert_void_to_continuable<_NextRTy>::type
// _ContinuableImpl<DefaultContinuableState, Callback<_NextATy...>>
{
return typename convert_void_to_continuable<_NextRTy>::type();
// _ContinuableImpl<DefaultContinuableState, Callback<_NextATy...>>();
}
*/
};
template <typename _CTy>
using unary_chainer_t = unary_chainer<
fu::return_type_of_t<typename std::decay<_CTy>::type>,
fu::argument_type_of_t<typename std::decay<_CTy>::type>>;
template<typename... _STy, typename... _ATy>
class _ContinuableImpl<ContinuableState<_STy...>, std::function<void(_ATy...)>>
{
@ -122,50 +166,6 @@ namespace detail
return *this;
}
/// Corrects void return types from functional types which should be Continuable<DefaultContinuableState, Callback<>>
template<typename _RTy>
struct convert_void_to_continuable;
template<>
struct convert_void_to_continuable<void>
{
typedef _ContinuableImpl<DefaultContinuableState, Callback<>> type;
};
template<typename _State, typename _CTy>
struct convert_void_to_continuable<_ContinuableImpl<_State, _CTy>>
{
typedef _ContinuableImpl<_State, _CTy> type;
};
template<typename _NextRTy, typename... _NextATy>
struct unary_chainer;
// MSVC 12 has issues to detect the parameter pack otherwise.
template<typename _NextRTy, typename... _NextATy>
struct unary_chainer<_NextRTy, fu::identity<_NextATy...>>
{
typedef typename convert_void_to_continuable<_NextRTy>::type result_t;
typedef typename result_t::CallbackFunction callback_t;
/*
template<typename _CTy>
static auto chain(_CTy&&)
-> typename convert_void_to_continuable<_NextRTy>::type
// _ContinuableImpl<DefaultContinuableState, Callback<_NextATy...>>
{
return typename convert_void_to_continuable<_NextRTy>::type();
// _ContinuableImpl<DefaultContinuableState, Callback<_NextATy...>>();
}
*/
};
template <typename _CTy>
using unary_chainer_t = unary_chainer<
fu::return_type_of_t<typename std::decay<_CTy>::type>,
fu::argument_type_of_t<typename std::decay<_CTy>::type>>;
template<typename _CTy>
auto then(_CTy&& functional)
-> typename unary_chainer_t<_CTy>::result_t