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AK: Add OOM safe interface to HashTable/Map

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This adds a new HashSetResult only returned by try_set, to signal
allocation failure during setting.
This commit is contained in:
Hediadyoin1 2021-08-14 02:07:39 +02:00 • committed by Brian Gianforcaro
parent f36781a8bc
commit 1aa527f5b6
2 changed files with 68 additions and 31 deletions
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4
AK/HashMap.h
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@ -57,6 +57,9 @@ public:
HashSetResult set(const K& key, const V& value) { return m_table.set({ key, value }); }
HashSetResult set(const K& key, V&& value) { return m_table.set({ key, move(value) }); }
HashSetResult try_set(const K& key, const V& value) { return m_table.try_set({ key, value }); }
HashSetResult try_set(const K& key, V&& value) { return m_table.try_set({ key, move(value) }); }
bool remove(const K& key)
{
auto it = find(key);
@ -96,6 +99,7 @@ public:
}
void ensure_capacity(size_t capacity) { m_table.ensure_capacity(capacity); }
bool try_ensure_capacity(size_t capacity) { return m_table.try_ensure_capacity(capacity); }
Optional<typename Traits<V>::PeekType> get(const K& key) const requires(!IsPointer<typename Traits<V>::PeekType>)
{