1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5// See https://llvm.org/LICENSE.txt for license information. 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef _LIBCPP_COROUTINE 11#define _LIBCPP_COROUTINE 12 13/** 14 coroutine synopsis 15 16namespace std { 17// [coroutine.traits] 18template <class R, class... ArgTypes> 19 struct coroutine_traits; 20// [coroutine.handle] 21template <class Promise = void> 22 struct coroutine_handle; 23// [coroutine.handle.compare] 24constexpr bool operator==(coroutine_handle<> x, coroutine_handle<> y) noexcept; 25constexpr strong_ordering operator<=>(coroutine_handle<> x, coroutine_handle<> y) noexcept; 26// [coroutine.handle.hash] 27template <class T> struct hash; 28template <class P> struct hash<coroutine_handle<P>>; 29// [coroutine.noop] 30struct noop_coroutine_promise; 31template<> struct coroutine_handle<noop_coroutine_promise>; 32using noop_coroutine_handle = coroutine_handle<noop_coroutine_promise>; 33noop_coroutine_handle noop_coroutine() noexcept; 34// [coroutine.trivial.awaitables] 35struct suspend_never; 36struct suspend_always; 37} // namespace std 38 39 */ 40 41#include <__assert> // all public C++ headers provide the assertion handler 42#include <__config> 43#include <__coroutine/coroutine_handle.h> 44#include <__coroutine/coroutine_traits.h> 45#include <__coroutine/noop_coroutine_handle.h> 46#include <__coroutine/trivial_awaitables.h> 47#include <version> 48 49// standard-mandated includes 50 51// [coroutine.syn] 52#include <compare> 53 54#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER 55# pragma GCC system_header 56#endif 57 58#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 59# include <iosfwd> 60# include <type_traits> 61#endif 62 63#endif // _LIBCPP_COROUTINE 64