[plt-scheme] Does anyone use `set!' and `get!' patterns?

Sam TH wrote:
> locations, respectively. While these look clever, they complicated the
> implementation of match, and don't seem to be used.  In particular,
> I've searched the entire collections hierarchy, and they don't seem to
> be used at all.  Given this, I'd like to remove the implementations.
>   

I do not use them, so it will not harm my code, but why do you want to 
remove them? If they are not used today, they could be used tomorrow. 
And implementation is already done, complicated or not. What is the point?

Kazimir Majorinc