Created
October 12, 2020 12:47
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mutable map operations
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| // return old value, if updating existing entry else null | |
| abstract fun put(key: K, value: V): V? | |
| abstract fun putAll(from: Map<out K, V>) | |
| abstract fun clear() | |
| // return removed value, if not existing then null | |
| abstract fun remove(key: K): V? | |
| open fun remove(key: K, value: V): Boolean |
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