coffee/continuable
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Move the previous commit into the continuable main file

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This commit is contained in:
Denis Blank 2015-08-11 14:15:57 +02:00
parent 59a5b0266c
commit c4a73357c8
2 changed files with 56 additions and 54 deletions
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51
Incubator.cpp
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@ -703,58 +703,7 @@ void test_cross_forward()
++i;
}
/// Corrects functionals with non expected signatures
/// to match the expected ones.
template<typename... _ATy>
struct partial_corrector
{
/// Corrector
template<typename _CTy>
static auto correct(_CTy&& functional)
-> typename std::enable_if<
!std::is_same<
fu::argument_type_of_t<
typename std::decay<_CTy>::type
>,
fu::identity<_ATy...>
>::value,
std::function<
fu::return_type_of_t<
typename std::decay<_CTy>::type
>(_ATy...)
>
>::type
{
// Make use of std::bind's signature erasure
return std::bind(std::forward<_CTy>(functional));
}
// Route through
template<typename _CTy>
static auto correct(_CTy&& functional)
-> typename std::enable_if<
std::is_same<
fu::argument_type_of_t<
typename std::decay<_CTy>::type
>,
fu::identity<_ATy...>
>::value,
_CTy
>::type
{
return std::forward<_CTy>(functional);
}
};
void test_incubator()
{
test_cross_forward();
std::function<void(int, float)> fn1 = partial_corrector<int, float>::correct([](int, float)
{
});
std::function<void(int, float)> fn2 = partial_corrector<int, float>::correct([]
{
});
}

59
include/Continuable.h
View File

@ -358,6 +358,50 @@ namespace detail
typedef Tuple tuple;
};
/// Corrects functionals with non expected signatures
/// to match the expected ones.
/// Used in `partialize_correct_trait`
template<typename... _ATy>
struct partial_corrector
{
/// Corrector
template<typename _CTy>
static auto correct(_CTy&& functional)
-> typename std::enable_if<
!std::is_same<
fu::argument_type_of_t<
typename std::decay<_CTy>::type
>,
fu::identity<_ATy...>
>::value,
std::function<
fu::return_type_of_t<
typename std::decay<_CTy>::type
>(_ATy...)
>
>::type
{
// Make use of std::bind's signature erasure
return std::bind(std::forward<_CTy>(functional));
}
// Route through
template<typename _CTy>
static auto correct(_CTy&& functional)
-> typename std::enable_if<
std::is_same<
fu::argument_type_of_t<
typename std::decay<_CTy>::type
>,
fu::identity<_ATy...>
>::value,
_CTy
>::type
{
return std::forward<_CTy>(functional);
}
};
/// Continuable processing detail implementation
template<typename... _ATy>
struct functional_traits
@ -405,6 +449,15 @@ namespace detail
return std::forward<_CTy>(functional);
}
template<typename _CTy>
static inline auto partialize_correct_trait(_CTy&& functional)
// -> decltype(partial_corrector<_ATy>::correct(std::declval<_CTy>()))
-> _CTy
{
// return partial_corrector<_ATy>::correct(std::forward<_CTy>(functional));
return std::forward<_CTy>(functional);
}
/// Wrap Continuables into the continuable returning functional type.
/// TODO Move this into an acceptor helper class.
template<typename _CTy>
@ -447,7 +500,7 @@ namespace detail
return box_continuable_trait(std::forward<_CTy>(functional));
}
/// `partialize_trait`: Converts functionals with not matching args signature.
/// `partialize_correct_trait`: Converts functionals with not matching args signature.
/// `remove_void_trait`: Converts void return to empty continuable.
/// TODO Move this into an acceptor helper class.
template<typename _CTy>
@ -456,10 +509,10 @@ namespace detail
!detail::is_continuable<
typename std::decay<_CTy>::type
>::value,
decltype(remove_void_trait(std::declval<_CTy>()))
decltype(remove_void_trait(partialize_correct_trait(std::declval<_CTy>())))
>::type
{
return remove_void_trait(std::forward<_CTy>(functional));
return remove_void_trait(partialize_correct_trait(std::forward<_CTy>(functional)));
}
/// Correct user given functionals through several stages into the form: