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AK: Add HashMap::remove_all_matching(predicate)

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This removes all matching entries from a hash map in a single pass.
This commit is contained in:
Andreas Kling 2022-01-05 16:53:24 +01:00
parent e08d325124
commit 376e5ef912
2 changed files with 37 additions and 2 deletions
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15
AK/HashMap.h
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@ -74,6 +74,17 @@ public:
return false;
}
template<typename TUnaryPredicate>
void remove_all_matching(TUnaryPredicate predicate)
{
for (auto it = begin(); it != end();) {
if (predicate(it->key, it->value))
it = remove(it);
else
++it;
}
}
using HashTableType = HashTable<Entry, EntryTraits, IsOrdered>;
using IteratorType = typename HashTableType::Iterator;
using ConstIteratorType = typename HashTableType::ConstIterator;
@ -180,9 +191,9 @@ public:
return find(value) != end();
}
void remove(IteratorType it)
IteratorType remove(IteratorType it)
{
m_table.remove(it);
return m_table.remove(it);
}
V& ensure(const K& key)