[racket] match in Advanced Student?

Is make-color coming from 2htdp/image? I see that's not working (not
sure why yet).

Robby

On Mon, Oct 31, 2011 at 9:34 PM, Adam Shaw <adamshaw at cs.uchicago.edu> wrote:
> Thanks! That still doesn't work for color:
>   match: color does not refer to a structure definition
> although it does work with my own custom color struct:
> (define-struct clr (r g b))
> (match (make-clr 1 2 3)
>   [(struct clr (r g b)) (* r g b)])
>   - Adam
> On Oct 31, 2011, at 9:26 PM, Jay McCarthy wrote:
>
> One of the branches of the pattern language is
>
> | (struct id (pattern ...))
>
> Your pattern should be
>
> (struct color (r g b))
>
>
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