Crate vec_arena

A simple object arena.

Arena<T> is basically just a Vec<Option<T>>, which allows you to:

• Insert an object (reuse an existing None element, or append to the end).
• Remove object at a specified index.
• Access object at a specified index.

Examples

Some data structures built using Arena<T>:

• Doubly linked list
• Splay tree

Structs

Arena	An object arena.
IntoIter	An iterator over the occupied slots in an Arena.
Iter	An iterator over references to the occupied slots in an Arena.
IterMut	An iterator over mutable references to the occupied slots in a Arena.