Tatianka/alg-vis — comment on commit 21b9d4df888e92712ccd7ed620e3a1d0bdf1399f
File:  line 0
By kuk0:

....there are methods like goAbove, or goNext, where the parameter is the node where you want to go; obviously, here you need your own method since you want to point to a specific key in a node; but you could choose a similar name for the method
good; keep working :)