forked from OSchip/llvm-project
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
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// -*- C++ -*-
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//===------------------ __ranges/enable_borrowed_range.h ------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___RANGES_ENABLE_BORROWED_RANGE_H
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#define _LIBCPP___RANGES_ENABLE_BORROWED_RANGE_H
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// These customization variables are used in <span> and <string_view>. The
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// separate header is used to avoid including the entire <ranges> header in
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// <span> and <string_view>.
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#include <__config>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_PUSH_MACROS
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#include <__undef_macros>
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES)
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namespace ranges
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{
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// [range.range], ranges
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template <class>
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inline constexpr bool enable_borrowed_range = false;
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} // namespace ranges
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#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES)
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_LIBCPP_END_NAMESPACE_STD
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_LIBCPP_POP_MACROS
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#endif // _LIBCPP___RANGES_ENABLE_BORROWED_RANGE_H
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