| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___ITERATOR_ERASE_IF_CONTAINER_H |
| #define _LIBCPP___ITERATOR_ERASE_IF_CONTAINER_H |
| |
| #include <__config> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _Container, class _Predicate> |
| _LIBCPP_HIDE_FROM_ABI |
| typename _Container::size_type |
| __libcpp_erase_if_container(_Container& __c, _Predicate& __pred) { |
| typename _Container::size_type __old_size = __c.size(); |
| |
| const typename _Container::iterator __last = __c.end(); |
| for (typename _Container::iterator __iter = __c.begin(); __iter != __last;) { |
| if (__pred(*__iter)) |
| __iter = __c.erase(__iter); |
| else |
| ++__iter; |
| } |
| |
| return __old_size - __c.size(); |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___ITERATOR_ERASE_IF_CONTAINER_H |
