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by dchest 3957 days ago
Hmm, reading docs:

Lists are immutable and fully persistent with O(log32 N) gets and sets, and O(1) push and pop.

Immutable Map is an unordered KeyedIterable of (key, value) pairs with O(log32 N) gets and O(log32 N) persistent sets.

A Collection of unique values with O(log32 N) adds and has.

etc.