mirror of
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109 lines
3.6 KiB
C++
109 lines
3.6 KiB
C++
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/*
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/~` _ _ _|_. _ _ |_ | _
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\_,(_)| | | || ||_|(_||_)|(/_
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https://github.com/Naios/continuable
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v3.0.0
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Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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**/
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#ifndef CONTINUABLE_TYPES_HPP_INCLUDED
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#define CONTINUABLE_TYPES_HPP_INCLUDED
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#include <cstdint>
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#include <function2/function2.hpp>
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#include <continuable/continuable-trait.hpp>
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namespace cti {
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// clang-format off
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namespace detail {
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/// A function which isn't size adjusted and copyable
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template<std::size_t Size, typename... Args>
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using function_adapter = fu2::function<Args...>;
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/// A function which isn't size adjusted and move only
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template<std::size_t, typename... Args>
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using unique_function_adapter = fu2::unique_function<Args...>;
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/// A function which is size adjusted and copyable
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template<std::size_t Size, typename... Args>
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using function_adjustable = fu2::function_base<true, true, Size,
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true, false, Args...>;
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/// A function which is size adjusted and move only
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template<std::size_t Size, typename... Args>
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using unique_function_adjustable = fu2::function_base<true, false, Size,
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true, false, Args...>;
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/// We adjust the internal capacity of the outer function wrapper so
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/// we don't have to allocate twice when using `continuable<...>`.
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template<typename... Args>
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using trait_of = continuable_trait<
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unique_function_adapter,
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function_adjustable,
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Args...
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>;
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template<typename... Args>
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using unique_trait_of = continuable_trait<
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unique_function_adapter,
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unique_function_adjustable,
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Args...
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>;
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} // namespace detail
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/// Defines a copyable continuation type which uses the
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/// function2 backend for type erasure.
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///
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/// Usable like: `cti::continuable<int, float>`
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template <typename... Args>
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using continuable = typename detail::trait_of<
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Args...
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>::continuable;
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/// Defines a non-copyable continuation type which uses the
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/// function2 backend for type erasure.
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///
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/// Usable like: `unique_continuable<int, float>`
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template <typename... Args>
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using unique_continuable = typename detail::unique_trait_of<
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Args...
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>::continuable;
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/// Defines a non-copyable promise type which is using the
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/// function2 backend for type erasure.
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///
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/// Usable like: `promise<int, float>`
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template <typename... Args>
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using promise = typename detail::unique_trait_of<
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Args...
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>::promise;
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// TODO channel
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// TODO sink
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// clang-format on
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} // namespace cti
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#endif // CONTINUABLE_TYPES_HPP_INCLUDED
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