Module tree 

Structs

NodeInfos

The content of a tree node.

NodeUpdater

Chained setters for one node of a Tree.

Tree

A binary decision tree stored as an arena of nodes, the root at index 0.

TreeNode

A node of a Tree arena. Child indices of 0 mean “no child”.

Enums

TreeError

Why a tree could not be walked or did not hold its invariant.