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Gan Shen 2018-12-16 19:19:00 +08:00 committed by shuhung
parent 216311e8ee
commit 8ce8058796

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@ -21,7 +21,7 @@ The @racket[contract-out] form allows you to write
introduces the variable @racket[_name-of-a-new-contract], binding it to a new
contract that hides information about the values it protects.
As an example, consider this (simple) implementation of a queue datastructure:
As an example, consider this (simple) implementation of a queue data structure:
@racketmod[racket
(define empty '())
(define (enq top queue) (append queue (list top)))