special k - just for you
e is apl(noun verb)

a few prims. no checks. no refcount.

i put the abbreviations in a.h
[ans][rxy]  atom? num string
[rxy]i   integer at i

@x is 'at' x is first x

in this implementation

@2 is rank error


i put in Qr(rank) Qz(todo) in the prims

better organized.
12 primitives
++ -- !! ## @@ ,,