List - A persistent list with functional transformations.
Map - A persistent map based on the Compressed Hash Array Mapped Prefix-tree from 'Optimizing Hash-Array Mapped Tries for Fast and Lean Immutable JVM Collections' by Michael J. Steindorfer and Jurgen J. Vinju.
Set - A persistent set implemented as a persistent map of an alias of a type to itself.
Vec - A persistent vector based on the Hash Array Mapped Trie from 'Ideal Hash Trees' by Phil Bagwell.
© 2016-2018, The Pony Developers
© 2014-2015, Causality Ltd.
Licensed under the BSD 2-Clause License.
https://stdlib.ponylang.io/collections-persistent--index