continuable/fluent++/Continuable.h
2015-06-10 17:09:09 +02:00

71 lines
1.8 KiB
C++

/*
* Copyright (C) 2015 Naios <naios-dev@live.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _CONTINUABLE_H_
#define _CONTINUABLE_H_
#include "Callback.h"
template <typename _MTy>
class ContinuableBase
{
};
template <typename _CTy, typename _WTy = void>
class Continuable;
template <typename... _ATy, typename _WTy>
class Continuable<Callback<_ATy...>, typename _WTy>
{
public:
};
namespace detail
{
template <typename _FTy, typename _RTy, typename... _ATy>
struct ContinuableFactory;
template <typename _FTy, typename _RTy, typename... _ATy>
struct ContinuableFactory<_FTy, _RTy, std::tuple<_ATy...>>
{
static auto CreateFrom(_FTy&& functional)
-> int
{
return 1;
}
};
template <typename _FTy>
using continuable_factory_t = ContinuableFactory<
_FTy, ::fu::return_type_of_t<_FTy>, ::fu::argument_type_of_t<_FTy>>;
} // detail
template <typename _FTy>
inline auto make_continuable(_FTy&& functional)
-> decltype(typename detail::continuable_factory_t<_FTy>::CreateFrom(std::declval<_FTy>()))
{
return detail::continuable_factory_t<_FTy>::CreateFrom(std::forward<_FTy>(functional));
}
#endif /// _CONTINUABLE_H_