I think the list '(0 1 2) is behaving like the function — in CL syntax, sorry, I don't know Arc — (lambda (x) (elt '(0 1 2) x)). That is, the list is being tre

I think the list '(0 1 2) is behaving like the function — in CL syntax, sorry, I don't know Arc — (lambda (x) (elt '(0 1 2) x)). That is, the list is being treated as a sequence, which is a function from each index to the corresponding element.