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work on move lambda capture

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Naios 2015-07-14 23:13:21 +02:00
parent b6c5bd5136
commit 2c03b039bd
1 changed files with 78 additions and 5 deletions
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83
test.cpp
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@ -127,22 +127,80 @@ namespace detail
}
*/
template<typename Capture, typename Args, typename SeqOfCapture, typename SeqOfArgs>
class MoveCaptureLamda;
template<typename... Capture, typename... Args, std::size_t... SeqOfCapture, std::size_t... SeqOfArgs>
class MoveCaptureLamda
<
fu::identity<Capture...>,
fu::identity<void, Args...>,
fu::sequence<SeqOfCapture...>,
fu::sequence<SeqOfArgs...>
>
{
std::function<void(Capture..., Args...)> _functional;
std::tuple<Capture...> _capture;
public:
MoveCaptureLamda(std::function<void(Capture..., Args...)>&& functional, Capture&&... capture)
: _functional(std::move(functional)), _capture(std::make_tuple(std::forward<Capture>(capture)...)) { }
void invoke(Args&&... args)
{
_functional(std::move(std::get<SeqOfCapture>(_capture))..., std::forward<Args>(args)...);
}
};
template<typename... Capture, typename ReturnType, typename... Args, std::size_t... SeqOfCapture, std::size_t... SeqOfArgs>
class MoveCaptureLamda
<
fu::identity<Capture...>,
fu::identity<ReturnType, Args...>,
fu::sequence<SeqOfCapture...>,
fu::sequence<SeqOfArgs...>
>
{
std::function<ReturnType(Capture..., Args...)> _functional;
std::tuple<Capture...> _capture;
public:
MoveCaptureLamda(std::function<ReturnType(Capture..., Args...)>&& functional, Capture&&... capture)
: _functional(std::move(functional)), _capture(std::make_tuple(std::forward<Capture>(capture)...)) { }
ReturnType invoke(Args&&... args)
{
return _functional(std::move(std::get<SeqOfCapture>(_capture))..., std::forward<Args>(args)...);
}
};
template<typename _CTy, typename... _ATy>
class continuable_returner
{
_CTy returning_continuable;
public:
continuable_returner(continuable_returner&& right)
{
returning_continuable = std::move(right.returning_continuable);
}
continuable_returner(_CTy&& returning_continuable_)
: returning_continuable(std::move(returning_continuable_)) { }
continuable_returner& operator= (continuable_returner&) = delete;
continuable_returner& operator= (continuable_returner&& right)
{
returning_continuable = std::move(right.returning_continuable);
return *this;
}
continuable_returner& operator= (continuable_returner& right)
{
// returning_continuable = std::move(right.returning_continuable);
return *this;
};
}
auto operator()(_ATy&&...)
-> _CTy
@ -436,14 +494,29 @@ int main(int /*argc*/, char** /*argv*/)
conv_test_1(1, 1);
/*
continuable_returner<std::unique_ptr<int>> test26151_start(std::unique_ptr<int>(new int(5)));
continuable_returner<std::unique_ptr<int>> fn(std::unique_ptr<int>(new int(5)));
continuable_returner<std::unique_ptr<int>> test26151_moved = std::move(test26151_start);
continuable_returner<std::unique_ptr<int>> other_fn = std::move(fn);
std::function<std::unique_ptr<int>()> test26151_fn = std::move(test26151_moved);
*/
// static_assert(fu::is_unwrappable<TestFunctor>::value, "not unwrappable!");
// std::function<void(int)> fntest = std::move(fn);
MoveCaptureLamda<fu::identity<std::unique_ptr<int>>, fu::identity<void>, fu::sequence_of_t<1>, fu::sequence_of_t<0>> capture([](std::unique_ptr<int>)
{
int i = 0;
++i;
}, std::unique_ptr<int>(new int(90)));
capture.invoke();
capture.invoke();
return 0;
}