[racket] Problem passing a reference

On 09/17/2012 03:35 PM, Kieron Hardy wrote:
>
>     Is there actually a reason to use 'set!'?
>
>
> There is a period of time between creating the message and actually
> processing the message. Other events may cause the message to be
> abandoned. Therefore I think the set! is required, but maybe there's a
> better solution.

That sounds like a reasonable use of set!.

Ryan