Programs are already cyclic trees. It's just that code is a somewhat cumbersome representation. Or rather, it's not a very natural one. At first I actually tho

Programs are already cyclic trees. It's just that code is a somewhat cumbersome representation. Or rather, it's not a very natural one. At first I actually thought you meant human languages, which are already 3d to a large extent, because they're full of movement metaphors.