| //===----------------------------------------------------------------------===// |
| // 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 |
| //===----------------------------------------------------------------------===// |
| #if _LIBCPP_STD_VER >= 23 |
| // [bit.byteswap], byteswap |
| // [bit.pow.two], integral powers of 2 |
| using std::has_single_bit; |
| // [bit.rotate], rotating |