xref: /freebsd/contrib/llvm-project/libcxx/include/__ranges/container_compatible_range.h (revision 06c3fb2749bda94cb5201f81ffdb8fa6c3161b2e)
1*06c3fb27SDimitry Andric // -*- C++ -*-
2*06c3fb27SDimitry Andric //===----------------------------------------------------------------------===//
3*06c3fb27SDimitry Andric //
4*06c3fb27SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5*06c3fb27SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
6*06c3fb27SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7*06c3fb27SDimitry Andric //
8*06c3fb27SDimitry Andric //===----------------------------------------------------------------------===//
9*06c3fb27SDimitry Andric 
10*06c3fb27SDimitry Andric #ifndef _LIBCPP___RANGES_CONTAINER_COMPATIBLE_RANGE_H
11*06c3fb27SDimitry Andric #define _LIBCPP___RANGES_CONTAINER_COMPATIBLE_RANGE_H
12*06c3fb27SDimitry Andric 
13*06c3fb27SDimitry Andric #include <__concepts/convertible_to.h>
14*06c3fb27SDimitry Andric #include <__config>
15*06c3fb27SDimitry Andric #include <__ranges/concepts.h>
16*06c3fb27SDimitry Andric 
17*06c3fb27SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18*06c3fb27SDimitry Andric #  pragma GCC system_header
19*06c3fb27SDimitry Andric #endif
20*06c3fb27SDimitry Andric 
21*06c3fb27SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD
22*06c3fb27SDimitry Andric 
23*06c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 23
24*06c3fb27SDimitry Andric 
25*06c3fb27SDimitry Andric template <class _Range, class _Tp>
26*06c3fb27SDimitry Andric concept _ContainerCompatibleRange =
27*06c3fb27SDimitry Andric     ranges::input_range<_Range> && convertible_to<ranges::range_reference_t<_Range>, _Tp>;
28*06c3fb27SDimitry Andric 
29*06c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 23
30*06c3fb27SDimitry Andric 
31*06c3fb27SDimitry Andric _LIBCPP_END_NAMESPACE_STD
32*06c3fb27SDimitry Andric 
33*06c3fb27SDimitry Andric #endif // _LIBCPP___RANGES_CONTAINER_COMPATIBLE_RANGE_H
34