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We've started using `_LIBCPP_BEGIN_NAMESPACE_STD` and `_LIBCPP_END_NAMESPACE_STD` for more than just the namespace for a while now. For example, we're using it to add visibility annotations to types. This works very well and avoids a bunch of annotations, but doesn't work for the few places where we have an unversioned namespace. This adds `_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD` and `_LIBCPP_END_UNVERSIONED_NAMESPACE_STD` to make it simpler to add new annotations consistently across the library as well as making it more explicit that the unversioned namespace is indeed intended.
27 lines
737 B
C
27 lines
737 B
C
//===---------------------------------------------------------------------===//
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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___FWD_BYTE_H
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#define _LIBCPP___FWD_BYTE_H
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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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#if _LIBCPP_STD_VER >= 17
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_LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD
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enum class byte : unsigned char;
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_LIBCPP_END_UNVERSIONED_NAMESPACE_STD
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#endif // _LIBCPP_STD_VER >= 17
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#endif // _LIBCPP___FWD_BYTE_H
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