xref: /openbsd-src/gnu/llvm/libcxx/include/__algorithm/is_partitioned.h (revision 4bdff4bed0e3d54e55670334c7d0077db4170f86)
176d0caaeSpatrick //===----------------------------------------------------------------------===//
276d0caaeSpatrick //
376d0caaeSpatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
476d0caaeSpatrick // See https://llvm.org/LICENSE.txt for license information.
576d0caaeSpatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
676d0caaeSpatrick //
776d0caaeSpatrick //===----------------------------------------------------------------------===//
876d0caaeSpatrick 
976d0caaeSpatrick #ifndef _LIBCPP___ALGORITHM_IS_PARTITIONED_H
1076d0caaeSpatrick #define _LIBCPP___ALGORITHM_IS_PARTITIONED_H
1176d0caaeSpatrick 
1276d0caaeSpatrick #include <__config>
1376d0caaeSpatrick 
1476d0caaeSpatrick #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
1576d0caaeSpatrick #  pragma GCC system_header
1676d0caaeSpatrick #endif
1776d0caaeSpatrick 
1876d0caaeSpatrick _LIBCPP_BEGIN_NAMESPACE_STD
1976d0caaeSpatrick 
2076d0caaeSpatrick template <class _InputIterator, class _Predicate>
21*4bdff4beSrobert _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool
is_partitioned(_InputIterator __first,_InputIterator __last,_Predicate __pred)2276d0caaeSpatrick is_partitioned(_InputIterator __first, _InputIterator __last, _Predicate __pred)
2376d0caaeSpatrick {
2476d0caaeSpatrick     for (; __first != __last; ++__first)
2576d0caaeSpatrick         if (!__pred(*__first))
2676d0caaeSpatrick             break;
2776d0caaeSpatrick     if ( __first == __last )
2876d0caaeSpatrick         return true;
2976d0caaeSpatrick     ++__first;
3076d0caaeSpatrick     for (; __first != __last; ++__first)
3176d0caaeSpatrick         if (__pred(*__first))
3276d0caaeSpatrick             return false;
3376d0caaeSpatrick     return true;
3476d0caaeSpatrick }
3576d0caaeSpatrick 
3676d0caaeSpatrick _LIBCPP_END_NAMESPACE_STD
3776d0caaeSpatrick 
3876d0caaeSpatrick #endif // _LIBCPP___ALGORITHM_IS_PARTITIONED_H
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