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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___ALGORITHM_IS_PARTITIONED_H10#define _LIBCPP___ALGORITHM_IS_PARTITIONED_H11 12#include <__config>13 14#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)15# pragma GCC system_header16#endif17 18_LIBCPP_BEGIN_NAMESPACE_STD19 20template <class _InputIterator, class _Predicate>21[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool22is_partitioned(_InputIterator __first, _InputIterator __last, _Predicate __pred) {23 for (; __first != __last; ++__first)24 if (!__pred(*__first))25 break;26 if (__first == __last)27 return true;28 ++__first;29 for (; __first != __last; ++__first)30 if (__pred(*__first))31 return false;32 return true;33}34 35_LIBCPP_END_NAMESPACE_STD36 37#endif // _LIBCPP___ALGORITHM_IS_PARTITIONED_H38