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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support for C++03 for Zig due to the first change; it would be insane to ship 1018 duplicate header files just for this outdated use case.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.
54 lines
2 KiB
C++
Vendored
54 lines
2 KiB
C++
Vendored
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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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___FUNCTIONAL_BINARY_FUNCTION_H
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#define _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_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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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
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template <class _Arg1, class _Arg2, class _Result>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binary_function {
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typedef _Arg1 first_argument_type;
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typedef _Arg2 second_argument_type;
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typedef _Result result_type;
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};
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#endif // _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
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template <class _Arg1, class _Arg2, class _Result>
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struct __binary_function_keep_layout_base {
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#if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS)
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using first_argument_type _LIBCPP_DEPRECATED_IN_CXX17 = _Arg1;
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using second_argument_type _LIBCPP_DEPRECATED_IN_CXX17 = _Arg2;
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using result_type _LIBCPP_DEPRECATED_IN_CXX17 = _Result;
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#endif
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};
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#if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
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_LIBCPP_DIAGNOSTIC_PUSH
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_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations")
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template <class _Arg1, class _Arg2, class _Result>
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using __binary_function _LIBCPP_NODEBUG = binary_function<_Arg1, _Arg2, _Result>;
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_LIBCPP_DIAGNOSTIC_POP
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#else
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template <class _Arg1, class _Arg2, class _Result>
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using __binary_function _LIBCPP_NODEBUG = __binary_function_keep_layout_base<_Arg1, _Arg2, _Result>;
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#endif
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H
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