[racket] Plot is voracious

IMO, plot should raise that exception.

Robby

On Wed, May 21, 2014 at 10:37 AM, Laurent <laurent.orseau at gmail.com> wrote:
> ... it eats everything! (particularly exceptions)
> For example, it is perfectly happy with the following:
>
> % racket
> Welcome to Racket v6.0.1.7.
>> (require plot)
>> (plot (function (lambda(x)(+ x n)))
>   #:x-min 0 #:x-max 10 #:y-min 0 #:y-max 10)
> (object:2d-plot-snip% ...)
>
> ... although n is clearly undefined. Presumably this is to avoid breaking on
> math errors like `(/ 0)` ?
>
> Would it make sense to have an `exn:fail:arithmetic` exception struct so
> that `function` would only catch those?
>
> Laurent
>
>
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