[plt-scheme] (no subject)

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Sun Jan 22 18:59:55 EST 2006

On Jan 21, 2006, at 5:07 AM, igor denisov wrote:

> Hello there
>
> Can somebody help me to figure out what is wrong with these codes. 
> DrScheme V208
> Language: Beginning Student.
>
> ;; hours->wages : list-of-numbers  ->  list-of-numbers
> ;; to create a list of weekly wages from a list of weekly hours (alon)
> (define (hours-wages alon)
>   (cond
>     ((empty? alon) empty)
>     (else (cons (wage (first alon)) (hours-wages (rest alon))))))
>
> ;; wage : number  ->  number
> ;; to compute the total wage (at $12 per hour)
> ;; of someone who worked for h hours
> (define (wage h)
>   (cond

P.S. Why are you using cond for a plain number? -- Matthias



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