result.clj

<amalloy> (doc tree-seq)
<sexpbot> ⟹ "([branch? children root]); Returns a lazy sequence of the
nodes in a tree, via a depth-first walk. branch? must be a fn of one
arg that returns true if passed a node that can have children (but may
not). children must be a fn of one arg that returns a sequence of the
children. Will only be called on nodes for which branch? returns true.
Root is the root node of the tree."