llvm-project/libcxx/include/__ranges/enable_borrowed_range.h

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C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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___RANGES_ENABLE_BORROWED_RANGE_H
#define _LIBCPP___RANGES_ENABLE_BORROWED_RANGE_H
// These customization variables are used in <span> and <string_view>. The
// separate header is used to avoid including the entire <ranges> header in
// <span> and <string_view>.
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER > 17
namespace ranges {
// [range.range], ranges
template <class>
inline constexpr bool enable_borrowed_range = false;
} // namespace ranges
#endif // _LIBCPP_STD_VER > 17
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___RANGES_ENABLE_BORROWED_RANGE_H