removeAll(keepingCapacity:)
Removes all elements from the collection.
mutating func removeAll(keepingCapacity keepCapacity: Bool)
Parameters
- keepCapacity
Pass
true
to request that the collection avoid releasing its storage. Retaining the collection’s storage can be a useful optimization when you’re planning to grow the collection again. The default value isfalse
.
Calling this method may invalidate any existing indices for use with this collection.