Event-hooked Array, Sorted Array, Unique Array, Sorted-Unique Array, Downward-Compositing Array, Downward-Compositing Sorted Array, Downward-Compositing Unique Array, Downward-Compositing Sorted-Unique Array.

An implementation of Array that permits chaining, where children inherit changes to parent and where parent settings can be overridden in children.

A subclass of Array::Hooked that also keeps array sorted.

A subclass of Array::Hooked that also keeps array unique.