1 files changed, 0 insertions, 117 deletions
diff --git a/libcxx/test/std/experimental/task/awaitable_traits.hpp b/libcxx/test/std/experimental/task/awaitable_traits.hpp
deleted file mode 100644
index 3d4ba16979a..00000000000
--- a/libcxx/test/std/experimental/task/awaitable_traits.hpp
+++ /dev/null
@@ -1,117 +0,0 @@
-// -*- C++ -*-
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef _LIBCPP_TEST_EXPERIMENTAL_TASK_AWAITABLE_TRAITS
-#define _LIBCPP_TEST_EXPERIMENTAL_TASK_AWAITABLE_TRAITS
-
-#include <type_traits>
-#include <experimental/coroutine>
-
-_LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_COROUTINES
-
-template<typename _Tp>
-struct __is_coroutine_handle : std::false_type {};
-
-template<typename _Tp>
-struct __is_coroutine_handle<std::experimental::coroutine_handle<_Tp>> :
-  std::true_type
-{};
-
-template<typename _Tp>
-struct __is_valid_await_suspend_result :
-  std::disjunction<
-    std::is_void<_Tp>,
-    std::is_same<_Tp, bool>,
-    __is_coroutine_handle<_Tp>>
-{};
-
-template<typename _Tp, typename = void>
-struct is_awaiter : std::false_type {};
-
-template<typename _Tp>
-struct is_awaiter<_Tp, std::void_t<
-  decltype(std::declval<_Tp&>().await_ready()),
-  decltype(std::declval<_Tp&>().await_resume()),
-  decltype(std::declval<_Tp&>().await_suspend(
-    std::declval<std::experimental::coroutine_handle<void>>()))>> :
-  std::conjunction<
-    std::is_same<decltype(std::declval<_Tp&>().await_ready()), bool>,
-    __is_valid_await_suspend_result<decltype(
-      std::declval<_Tp&>().await_suspend(
-        std::declval<std::experimental::coroutine_handle<void>>()))>>
-{};
-
-template<typename _Tp>
-constexpr bool is_awaiter_v = is_awaiter<_Tp>::value;
-
-template<typename _Tp, typename = void>
-struct __has_member_operator_co_await : std::false_type {};
-
-template<typename _Tp>
-struct __has_member_operator_co_await<_Tp, std::void_t<decltype(std::declval<_Tp>().operator co_await())>>
-: is_awaiter<decltype(std::declval<_Tp>().operator co_await())>
-{};
-
-template<typename _Tp, typename = void>
-struct __has_non_member_operator_co_await : std::false_type {};
-
-template<typename _Tp>
-struct __has_non_member_operator_co_await<_Tp, std::void_t<decltype(operator co_await(std::declval<_Tp>()))>>
-: is_awaiter<decltype(operator co_await(std::declval<_Tp>()))>
-{};
-
-template<typename _Tp>
-struct is_awaitable : std::disjunction<
-  is_awaiter<_Tp>,
-  __has_member_operator_co_await<_Tp>,
-  __has_non_member_operator_co_await<_Tp>>
-{};
-
-template<typename _Tp>
-constexpr bool is_awaitable_v = is_awaitable<_Tp>::value;
-
-template<
-  typename _Tp,
-  std::enable_if_t<is_awaitable_v<_Tp>, int> = 0>
-decltype(auto) get_awaiter(_Tp&& __awaitable)
-{
-  if constexpr (__has_member_operator_co_await<_Tp>::value)
-  {
-    return static_cast<_Tp&&>(__awaitable).operator co_await();
-  }
-  else if constexpr (__has_non_member_operator_co_await<_Tp>::value)
-  {
-    return operator co_await(static_cast<_Tp&&>(__awaitable));
-  }
-  else
-  {
-    return static_cast<_Tp&&>(__awaitable);
-  }
-}
-
-template<typename _Tp, typename = void>
-struct await_result
-{};
-
-template<typename _Tp>
-struct await_result<_Tp, std::enable_if_t<is_awaitable_v<_Tp>>>
-{
-private:
-  using __awaiter = decltype(get_awaiter(std::declval<_Tp>()));
-public:
-  using type = decltype(std::declval<__awaiter&>().await_resume());
-};
-
-template<typename _Tp>
-using await_result_t = typename await_result<_Tp>::type;
-
-_LIBCPP_END_NAMESPACE_EXPERIMENTAL_COROUTINES
-
-#endif