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 25 template <class _Range, class _Tp> 26 concept _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