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156ab87500
See: * https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc/77319 * https://discourse.llvm.org/t/rfc-project-hand-in-hand-llvm-libc-libc-code-sharing/77701 We're dropping support for C++03 for Zig due to the first change; it would be insane to ship 1018 duplicate header files just for this outdated use case. As a result of the second change, I had to bring in a subset of the headers from llvm-libc since libc++ now depends on these. Hopefully we can continue to get away with not copying the entirety of llvm-libc.
53 lines
1.5 KiB
C++
Vendored
53 lines
1.5 KiB
C++
Vendored
//===----------------------------------------------------------------------===//
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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___TUPLE_TUPLE_LIKE_EXT_H
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#define _LIBCPP___TUPLE_TUPLE_LIKE_EXT_H
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#include <__config>
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#include <__cstddef/size_t.h>
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#include <__fwd/array.h>
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#include <__fwd/pair.h>
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#include <__fwd/tuple.h>
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#include <__tuple/tuple_types.h>
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#include <__type_traits/integral_constant.h>
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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_BEGIN_NAMESPACE_STD
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template <class _Tp>
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struct __tuple_like_ext : false_type {};
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template <class _Tp>
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struct __tuple_like_ext<const _Tp> : public __tuple_like_ext<_Tp> {};
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template <class _Tp>
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struct __tuple_like_ext<volatile _Tp> : public __tuple_like_ext<_Tp> {};
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template <class _Tp>
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struct __tuple_like_ext<const volatile _Tp> : public __tuple_like_ext<_Tp> {};
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#ifndef _LIBCPP_CXX03_LANG
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template <class... _Tp>
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struct __tuple_like_ext<tuple<_Tp...> > : true_type {};
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#endif
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template <class _T1, class _T2>
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struct __tuple_like_ext<pair<_T1, _T2> > : true_type {};
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template <class _Tp, size_t _Size>
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struct __tuple_like_ext<array<_Tp, _Size> > : true_type {};
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template <class... _Tp>
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struct __tuple_like_ext<__tuple_types<_Tp...> > : true_type {};
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___TUPLE_TUPLE_LIKE_EXT_H
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