coffee/continuable
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some work on identity chaining

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Naios 2015-06-26 20:48:53 +02:00
parent af8f0cfce3
commit 30f4907e59
2 changed files with 15 additions and 21 deletions
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29
include/Continuable.h
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@ -277,7 +277,6 @@ inline auto make_continuable()
namespace detail
{
/// Helper trait for unary chains like `Continuable::then`
template <typename _CTy, typename... _ATy>
struct unary_chainer_t
@ -424,34 +423,26 @@ namespace detail
return remove_void_trait(box_continuable_trait(std::forward<_CTy>(functional)));
}
template<typename Current, typename First, typename... Rest>
template<typename Current, typename... Rest>
struct multiple_result_maker;
template<typename... Previous, typename Last>
struct multiple_result_maker<fu::identity<Previous...>, Last>
template<typename Previous, typename Last>
struct multiple_result_maker<Previous, Last>
{
// typedef decltype(correct(std::declval<typename std::decay<Last>::type>())) corrected_t;
/*
typedef typename concat_identities<
fu::identity<Previous...>,
fu::argument_type_of_t<Last>
> type;
*/
Previous, typename unary_chainer_t<Last, _ATy...>::arguments_t
>::type arguments_t;
};
template<typename... Previous, typename First, typename... Rest>
struct multiple_result_maker<fu::identity<Previous...>, First, Rest...>
template<typename Previous, typename Next, typename... Rest>
struct multiple_result_maker<Previous, Next, Rest...>
{
/*
typedef typename multiple_result_maker<
typename concat_identities<
fu::identity<Previous...>,
fu::argument_type_of_t<First>
>,
Previous, typename unary_chainer_t<Next, _ATy...>::arguments_t
>::type,
Rest...
> type;
*/
>::arguments_t arguments_t;
};
};
}

7
test.cpp
View File

@ -233,9 +233,12 @@ int main(int /*argc*/, char** /*argv*/)
detail::functional_traits<>::multiple_result_maker<
fu::identity<>,
std::function<Continuable<int>>
std::function<Continuable<int>()>,
std::function<Continuable<float>()>
> test282;
>::arguments_t test282;
detail::concat_identities<fu::identity<int, bool, char>, fu::identity<float, double>>::type myt;
std::cout << "ok" << std::endl;
return 0;