ref: eb2fe9a8dbee9ab3514d126019d4733b13722b08
dir: /list.go/
package main // TODO(halfwit): [#5] Create list function // requires [#10] // [ ] Print each leaf to stdout // TODO(halfwit): [#6] Create listAll function // requires [#10] // [ ] Print each node to stdout // TODO(halfwit): [#10] walk nodes // [ ] Walk each node in the dag