1e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 2e78f53d1SNikolas Klauser // 3e78f53d1SNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4e78f53d1SNikolas Klauser // See https://llvm.org/LICENSE.txt for license information. 5e78f53d1SNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6e78f53d1SNikolas Klauser // 7e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 8e78f53d1SNikolas Klauser 9*ce777190SNikolas Klauser #ifndef _LIBCPP___CXX03___ALGORITHM_REMOVE_IF_H 10*ce777190SNikolas Klauser #define _LIBCPP___CXX03___ALGORITHM_REMOVE_IF_H 11e78f53d1SNikolas Klauser 1273fbae83SNikolas Klauser #include <__cxx03/__algorithm/find_if.h> 1373fbae83SNikolas Klauser #include <__cxx03/__config> 1473fbae83SNikolas Klauser #include <__cxx03/__utility/move.h> 15e78f53d1SNikolas Klauser 16e78f53d1SNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17e78f53d1SNikolas Klauser # pragma GCC system_header 18e78f53d1SNikolas Klauser #endif 19e78f53d1SNikolas Klauser 20e78f53d1SNikolas Klauser _LIBCPP_PUSH_MACROS 2173fbae83SNikolas Klauser #include <__cxx03/__undef_macros> 22e78f53d1SNikolas Klauser 23e78f53d1SNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD 24e78f53d1SNikolas Klauser 25e78f53d1SNikolas Klauser template <class _ForwardIterator, class _Predicate> 26e78f53d1SNikolas Klauser _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _ForwardIterator 27e78f53d1SNikolas Klauser remove_if(_ForwardIterator __first, _ForwardIterator __last, _Predicate __pred) { 28e78f53d1SNikolas Klauser __first = std::find_if<_ForwardIterator, _Predicate&>(__first, __last, __pred); 29e78f53d1SNikolas Klauser if (__first != __last) { 30e78f53d1SNikolas Klauser _ForwardIterator __i = __first; 31e78f53d1SNikolas Klauser while (++__i != __last) { 32e78f53d1SNikolas Klauser if (!__pred(*__i)) { 33e78f53d1SNikolas Klauser *__first = std::move(*__i); 34e78f53d1SNikolas Klauser ++__first; 35e78f53d1SNikolas Klauser } 36e78f53d1SNikolas Klauser } 37e78f53d1SNikolas Klauser } 38e78f53d1SNikolas Klauser return __first; 39e78f53d1SNikolas Klauser } 40e78f53d1SNikolas Klauser 41e78f53d1SNikolas Klauser _LIBCPP_END_NAMESPACE_STD 42e78f53d1SNikolas Klauser 43e78f53d1SNikolas Klauser _LIBCPP_POP_MACROS 44e78f53d1SNikolas Klauser 45*ce777190SNikolas Klauser #endif // _LIBCPP___CXX03___ALGORITHM_REMOVE_IF_H 46