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AK: Add function 'shallow_clone()' to HashMap

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This makes a shallow clone of the HashMap, the items temselves are not
cloned in any way.
This commit is contained in:
Kenneth Myhra 2023-02-11 21:07:58 +01:00 • committed by Linus Groh
parent 3bc5fcaccc
commit 9d13537fc7
1 changed files with 9 additions and 0 deletions
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9
AK/HashMap.h
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@ -1,5 +1,6 @@
/* /*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org> * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2023, Kenneth Myhra <kennethmyhra@serenityos.org>
* *
* SPDX-License-Identifier: BSD-2-Clause * SPDX-License-Identifier: BSD-2-Clause
*/ */
@ -280,6 +281,14 @@ public:
return hash; return hash;
} }
ErrorOr<HashMap<K, V>> clone()
{
HashMap<K, V> hash_map_clone;
for (auto& it : *this)
TRY(hash_map_clone.try_set(it.key, it.value));
return hash_map_clone;
}
private: private:
HashTableType m_table; HashTableType m_table;
}; };