|  | // -*- C++ -*- | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #ifdef _LIBCPP_ENABLE_EXPERIMENTAL | 
|  | export namespace std { | 
|  | // [execpol.type], execution policy type trait | 
|  | using std::is_execution_policy; | 
|  | using std::is_execution_policy_v; | 
|  | } // namespace std | 
|  |  | 
|  | export namespace std::execution { | 
|  | // [execpol.seq], sequenced execution policy | 
|  | using std::execution::sequenced_policy; | 
|  |  | 
|  | // [execpol.par], parallel execution policy | 
|  | using std::execution::parallel_policy; | 
|  |  | 
|  | // [execpol.parunseq], parallel and unsequenced execution policy | 
|  | using std::execution::parallel_unsequenced_policy; | 
|  |  | 
|  | // [execpol.unseq], unsequenced execution policy | 
|  | using std::execution::unsequenced_policy; | 
|  |  | 
|  | // [execpol.objects], execution policy objects | 
|  | using std::execution::par; | 
|  | using std::execution::par_unseq; | 
|  | using std::execution::seq; | 
|  | using std::execution::unseq; | 
|  | } // namespace std::execution | 
|  | #endif // _LIBCPP_ENABLE_EXPERIMENTAL |