Thanks.
#lang racket ; A picture
(require 2htdp/image)
(let sierpinski ([n 8])
(if (zero? n)
(triangle 2 'solid 'red)
(let ([t (sierpinski (- n 1))])
(freeze (above t (beside t t))))))
This is a revision. I don't nkow if it fits, tho. The call to freeze
can be anywhere around the result if that helps at all.
Robby
On Fri, Jan 14, 2011 at 3:34 PM, Eli Barzilay <e...@barzilay.org> wrote:
> 7 minutes ago, Robby Findler wrote:
>> I've wanted to change the front page to change the 2htdp/image
>> example to use 'freeze' (making the program go from exponential to
>> linear in 'n') too, but I've held off until it was in an actually
>> released release.
>
> It's still minor -- so feel free to send me a patch, and I'll remember
> to apply it when needed. (I'll make myself a reminder to apply it.)
>
> --
> ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay:
> http://barzilay.org/ Maze is Life!
>
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