zig/lib/libcxx/include/__concepts/regular.h
Andrew Kelley 8278eb8837 update libcxx to LLVM 15
release/15.x commit 134fd359a5d884f16662a9edd22ab24feeb1498c
2022-08-04 17:53:05 -07:00

33 lines
891 B
C++
Vendored

//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___CONCEPTS_REGULAR_H
#define _LIBCPP___CONCEPTS_REGULAR_H
#include <__concepts/equality_comparable.h>
#include <__concepts/semiregular.h>
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER > 17
// [concept.object]
template<class _Tp>
concept regular = semiregular<_Tp> && equality_comparable<_Tp>;
#endif // _LIBCPP_STD_VER > 17
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___CONCEPTS_REGULAR_H