[racket] Looking for feedback on code style

On Sep  9, David Van Horn wrote:
> 
> [...] As for the structure of the code as given, I would use helper
> functions in place of the `let'.  The resulting code will be easier
> to read and the helper functions can be tested independently, making
> it easier to maintain and improve the likelihood that the whole
> program is correct; and correctness and ease of maintenance are
> important aspects of style.

Sounds like an overkill in this case, and for most values of
"idiomatic" I'd say that it'd make it less so.

-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                    http://barzilay.org/                   Maze is Life!