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AK: Make Hash{Map,Table}::remove_all_matching() return removal success

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These functions now return whether one or more entries were removed.
This commit is contained in:
Andreas Kling 2022-01-05 16:57:45 +01:00
parent c7ac0c2c80
commit 5279a04c78
4 changed files with 24 additions and 12 deletions
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10
AK/HashMap.h
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@ -75,14 +75,18 @@ public:
}
template<typename TUnaryPredicate>
void remove_all_matching(TUnaryPredicate predicate)
bool remove_all_matching(TUnaryPredicate predicate)
{
bool something_was_removed = false;
for (auto it = begin(); it != end();) {
if (predicate(it->key, it->value))
if (predicate(it->key, it->value)) {
it = remove(it);
else
something_was_removed = true;
} else {
++it;
}
}
return something_was_removed;
}
using HashTableType = HashTable<Entry, EntryTraits, IsOrdered>;