forked from OSchip/llvm-project
100 lines
3.8 KiB
C++
100 lines
3.8 KiB
C++
// -*- 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___ITERATOR_INDIRECT_CONCEPTS_H
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#define _LIBCPP___ITERATOR_INDIRECT_CONCEPTS_H
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#include <__config>
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#include <__iterator/concepts.h>
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#include <__iterator/incrementable_traits.h>
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#include <concepts>
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#include <type_traits>
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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 !defined(_LIBCPP_HAS_NO_RANGES)
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template<class _Fp, class _It>
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concept indirectly_unary_invocable =
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indirectly_readable<_It> &&
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copy_constructible<_Fp> &&
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invocable<_Fp&, iter_value_t<_It>&> &&
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invocable<_Fp&, iter_reference_t<_It>> &&
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invocable<_Fp&, iter_common_reference_t<_It>> &&
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common_reference_with<
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invoke_result_t<_Fp&, iter_value_t<_It>&>,
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invoke_result_t<_Fp&, iter_reference_t<_It>>>;
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template<class _Fp, class _It>
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concept indirectly_regular_unary_invocable =
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indirectly_readable<_It> &&
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copy_constructible<_Fp> &&
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regular_invocable<_Fp&, iter_value_t<_It>&> &&
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regular_invocable<_Fp&, iter_reference_t<_It>> &&
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regular_invocable<_Fp&, iter_common_reference_t<_It>> &&
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common_reference_with<
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invoke_result_t<_Fp&, iter_value_t<_It>&>,
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invoke_result_t<_Fp&, iter_reference_t<_It>>>;
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template<class _Fp, class _It>
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concept indirect_unary_predicate =
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indirectly_readable<_It> &&
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copy_constructible<_Fp> &&
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predicate<_Fp&, iter_value_t<_It>&> &&
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predicate<_Fp&, iter_reference_t<_It>> &&
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predicate<_Fp&, iter_common_reference_t<_It>>;
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template<class _Fp, class _It1, class _It2>
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concept indirect_binary_predicate =
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indirectly_readable<_It1> && indirectly_readable<_It2> &&
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copy_constructible<_Fp> &&
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predicate<_Fp&, iter_value_t<_It1>&, iter_value_t<_It2>&> &&
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predicate<_Fp&, iter_value_t<_It1>&, iter_reference_t<_It2>> &&
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predicate<_Fp&, iter_reference_t<_It1>, iter_value_t<_It2>&> &&
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predicate<_Fp&, iter_reference_t<_It1>, iter_reference_t<_It2>> &&
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predicate<_Fp&, iter_common_reference_t<_It1>, iter_common_reference_t<_It2>>;
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template<class _Fp, class _It1, class _It2 = _It1>
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concept indirect_equivalence_relation =
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indirectly_readable<_It1> && indirectly_readable<_It2> &&
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copy_constructible<_Fp> &&
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equivalence_relation<_Fp&, iter_value_t<_It1>&, iter_value_t<_It2>&> &&
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equivalence_relation<_Fp&, iter_value_t<_It1>&, iter_reference_t<_It2>> &&
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equivalence_relation<_Fp&, iter_reference_t<_It1>, iter_value_t<_It2>&> &&
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equivalence_relation<_Fp&, iter_reference_t<_It1>, iter_reference_t<_It2>> &&
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equivalence_relation<_Fp&, iter_common_reference_t<_It1>, iter_common_reference_t<_It2>>;
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template<class _Fp, class _It1, class _It2 = _It1>
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concept indirect_strict_weak_order =
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indirectly_readable<_It1> && indirectly_readable<_It2> &&
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copy_constructible<_Fp> &&
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strict_weak_order<_Fp&, iter_value_t<_It1>&, iter_value_t<_It2>&> &&
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strict_weak_order<_Fp&, iter_value_t<_It1>&, iter_reference_t<_It2>> &&
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strict_weak_order<_Fp&, iter_reference_t<_It1>, iter_value_t<_It2>&> &&
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strict_weak_order<_Fp&, iter_reference_t<_It1>, iter_reference_t<_It2>> &&
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strict_weak_order<_Fp&, iter_common_reference_t<_It1>, iter_common_reference_t<_It2>>;
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template<class _Fp, class... _Its>
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requires (indirectly_readable<_Its> && ...) && invocable<_Fp, iter_reference_t<_Its>...>
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using indirect_result_t = invoke_result_t<_Fp, iter_reference_t<_Its>...>;
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#endif // !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___ITERATOR_INDIRECT_CONCEPTS_H
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