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Upgrade to 2022-era LLVM LIBCXX
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2078 changed files with 165657 additions and 65010 deletions
35
third_party/libcxx/__concepts/predicate.h
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35
third_party/libcxx/__concepts/predicate.h
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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___CONCEPTS_PREDICATE_H
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#define _LIBCPP___CONCEPTS_PREDICATE_H
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#include <__concepts/boolean_testable.h>
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#include <__concepts/invocable.h>
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#include <__config>
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#include <__functional/invoke.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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#if _LIBCPP_STD_VER >= 20
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// [concept.predicate]
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template<class _Fn, class... _Args>
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concept predicate =
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regular_invocable<_Fn, _Args...> && __boolean_testable<invoke_result_t<_Fn, _Args...>>;
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#endif // _LIBCPP_STD_VER >= 20
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___CONCEPTS_PREDICATE_H
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