DData

[Sven Panne]

I wrote:
> Wolfgang Jeltsch wrote:
>> A problem is Data.Set but there may be a solution for this. [...]
> 
> I've just made a quick test, and it seems that there exists a simple 
> solution for this: For a transitional time, Data.Set exports both the old API 
> (and marks it as DEPRECATED) and the new API, which is easy because there is no 
> incompatible overlap.

BTW, there is Data.Queue, too, but the same solution would work there.

Cheers,
    S.