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Ingy döt Net 2013-04-09 00:46:50 -07:00
parent 2a4d27cea0
commit 80737d5a6a
1194 changed files with 15353 additions and 1 deletions
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14
Task/Classes/Scheme/classes.ss Normal file
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(define (withdraw amount)
(if (>= balance amount)
(begin (set! balance (- balance amount))
balance)
"Insufficient funds"))
(define (deposit amount)
(set! balance (+ balance amount))
balance)
(define (dispatch m)
(cond ((eq? m 'withdraw) withdraw)
((eq? m 'deposit) deposit)
(else (error "Unknown request -- MAKE-ACCOUNT"
m))))
dispatch)