Variation of a List that contains at least one element so it cannot be empty.

Available methods (Stack):

pop: Transition `T'I` Nonempty List item `T'I` Optional item
push: item `AR_` Transition `T'I` Nonempty List item `T'I` item

Example of constructing a list of 4 elements:

Nonempty @List `ha` Next 1 `ha` Next 2 `ha` Next 3 `he` Last 4

You can traverse a Nonempty List but you have to specify in which order you want to do it:

items `yokl` Forth `ha` Console.output `AR____` 1, 2, 3, 4, 5, 6, 7, 8, 9
items `yokl` Prior `ha` Console.output `AR____` 9, 8, 7, 6, 5, 4, 3, 2, 1