5d4439cc3e
release/17.x branch, commit 8f4dd44097c9ae25dd203d5ac87f3b48f854bba8 This adds the flag `-D_LIBCPP_PSTL_CPU_BACKEND_SERIAL`. A future enhancement could possibly pass something different if there is a compelling parallel implementation. That libdispatch one might be worth looking into.
46 lines
1.2 KiB
C++
Vendored
46 lines
1.2 KiB
C++
Vendored
// -*- 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_ERASE_IF_CONTAINER_H
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#define _LIBCPP___ITERATOR_ERASE_IF_CONTAINER_H
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#include <__config>
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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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template <class _Container, class _Predicate>
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_LIBCPP_HIDE_FROM_ABI
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typename _Container::size_type
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__libcpp_erase_if_container(_Container& __c, _Predicate& __pred) {
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typename _Container::size_type __old_size = __c.size();
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const typename _Container::iterator __last = __c.end();
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for (typename _Container::iterator __iter = __c.begin(); __iter != __last;) {
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if (__pred(*__iter))
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__iter = __c.erase(__iter);
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else
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++__iter;
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}
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return __old_size - __c.size();
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}
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_LIBCPP_END_NAMESPACE_STD
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_LIBCPP_POP_MACROS
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#endif // _LIBCPP___ITERATOR_ERASE_IF_CONTAINER_H
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