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___RANGES_CONTAINER_COMPATIBLE_RANGE_H
11#define _LIBCPP___RANGES_CONTAINER_COMPATIBLE_RANGE_H
12
13#include <__concepts/convertible_to.h>
14#include <__config>
15#include <__ranges/concepts.h>
16
17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18# pragma GCC system_header
19#endif
20
21_LIBCPP_BEGIN_NAMESPACE_STD
22
23#if _LIBCPP_STD_VER >= 23
24
25template <class _Range, class _Tp>
26concept _ContainerCompatibleRange =
27 ranges::input_range<_Range> && convertible_to<ranges::range_reference_t<_Range>, _Tp>;
28
29#endif // _LIBCPP_STD_VER >= 23
30
31_LIBCPP_END_NAMESPACE_STD
32
33#endif // _LIBCPP___RANGES_CONTAINER_COMPATIBLE_RANGE_H
34