70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
|
/*
|
||
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License Version 2.0 with LLVM Exceptions
|
||
|
|
* (the "License"); you may not use this file except in compliance with
|
||
|
|
* the License. You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* https://llvm.org/LICENSE.txt
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <unifex/stream_concepts.hpp>
|
||
|
|
|
||
|
|
#include <functional>
|
||
|
|
#include <type_traits>
|
||
|
|
|
||
|
|
#include <unifex/detail/prologue.hpp>
|
||
|
|
|
||
|
|
namespace unifex {
|
||
|
|
namespace _next_adapt {
|
||
|
|
template <typename Stream, typename AdaptFunc>
|
||
|
|
struct _stream {
|
||
|
|
struct type;
|
||
|
|
};
|
||
|
|
template <typename Stream, typename AdaptFunc>
|
||
|
|
using stream =
|
||
|
|
typename _stream<
|
||
|
|
remove_cvref_t<Stream>,
|
||
|
|
remove_cvref_t<AdaptFunc>>::type;
|
||
|
|
|
||
|
|
template <typename Stream, typename AdaptFunc>
|
||
|
|
struct _stream<Stream, AdaptFunc>::type {
|
||
|
|
Stream innerStream_;
|
||
|
|
AdaptFunc adapter_;
|
||
|
|
|
||
|
|
friend auto tag_invoke(tag_t<next>, type& s)
|
||
|
|
-> std::invoke_result_t<AdaptFunc&, next_sender_t<Stream>> {
|
||
|
|
return std::invoke(s.adapter_, next(s.innerStream_));
|
||
|
|
}
|
||
|
|
|
||
|
|
friend auto tag_invoke(tag_t<cleanup>, type& s)
|
||
|
|
-> cleanup_sender_t<Stream> {
|
||
|
|
return cleanup(s.innerStream_);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
} // namespace _next_adapt
|
||
|
|
|
||
|
|
namespace _next_adapt_cpo {
|
||
|
|
inline const struct _fn {
|
||
|
|
template <typename Stream, typename AdaptFunc>
|
||
|
|
auto operator()(Stream&& stream, AdaptFunc&& adapt) const {
|
||
|
|
return _next_adapt::stream<Stream, AdaptFunc>{
|
||
|
|
(Stream &&) stream,
|
||
|
|
(AdaptFunc &&) adapt};
|
||
|
|
}
|
||
|
|
} next_adapt_stream{};
|
||
|
|
} // namespace _next_adapt_cpo
|
||
|
|
|
||
|
|
using _next_adapt_cpo::next_adapt_stream;
|
||
|
|
|
||
|
|
} // namespace unifex
|
||
|
|
|
||
|
|
#include <unifex/detail/epilogue.hpp>
|