Denys Duchier
In this section of the standard library, you'll find convenient abstract datatypes such as stacks and queues, and functional wrappers for standard datatypes such as cell and dictionaries.
x-oz://system/adt/Cell.ozf
x-oz://system/adt/Counter.ozf
x-oz://system/adt/Dictionary.ozf
x-oz://system/adt/Queue.ozf
x-oz://system/adt/Stack.ozf