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 a Arena.
Iter	An iterator over references to the occupied slots in a Arena.
IterMut	An iterator over mutable references to the occupied slots in a Arena.