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- // Copyright 2021 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef BASE_CONTAINERS_CXX20_ERASE_SET_H_
- #define BASE_CONTAINERS_CXX20_ERASE_SET_H_
- #include <set>
- #include "base/containers/cxx20_erase_internal.h"
- namespace base {
- // EraseIf is based on C++20's uniform container erasure API:
- // - https://eel.is/c++draft/libraryindex#:erase
- // - https://eel.is/c++draft/libraryindex#:erase_if
- // They provide a generic way to erase elements from a container.
- // The functions here implement these for the standard containers until those
- // functions are available in the C++ standard.
- // Note: there is no std::erase for standard associative containers so we don't
- // have it either.
- template <class Key, class Compare, class Allocator, class Predicate>
- size_t EraseIf(std::set<Key, Compare, Allocator>& container, Predicate pred) {
- return internal::IterateAndEraseIf(container, pred);
- }
- template <class Key, class Compare, class Allocator, class Predicate>
- size_t EraseIf(std::multiset<Key, Compare, Allocator>& container,
- Predicate pred) {
- return internal::IterateAndEraseIf(container, pred);
- }
- } // namespace base
- #endif // BASE_CONTAINERS_CXX20_ERASE_SET_H_
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