> Not with map, which requires equal-length arguments.
>
> You could do the slightly less ugly:
>
> (map
> foo
> lst-A
> lst-B
> (range (length lst-A)))
Why not do it this way?
(struct foo (a b c))
(define lst-A '(a b))
(define lst-B '(d e))
(for/list ([a (in-list lst-A)]
[b (in-list lst-B)]
[n (in-naturals)])
(foo a b n))
This seems to be the nicest of the lot.
/David
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