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arrow-stuff added by shaungilchrist on Wed Aug 21 03:03:00 2013

(define-syntax -> 
  (syntax-rules ()
    ((-> ?x) ?x)
    ((-> ?x (?form)) (?form ?x))
    ((-> ?x (?form . ?more)) (?form ?x . ?more))
    ((-> ?x ?form) (?form ?x))
    ((-> ?x ?form . ?more) (-> (-> ?x ?form) . ?more))))
    
(define-syntax ->> 
  (syntax-rules ()
    ((->> ?x) ?x)
    ((->> ?x (?form)) (?form ?x))
    ((->> ?x (?form ...)) (?form ... ?x))
    ((->> ?x ?form) (?form ?x))
    ((->> ?x ?form . ?more) (->> (->> ?x ?form) . ?more))))
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