Control.Category in base

[Bertram Felgenhauer]

Stefan O'Rear wrote:
> On Sun, Nov 18, 2007 at 09:04:15AM +0100, Bertram Felgenhauer wrote:
[snip Control.Category problem]
> > 2) All user defined instances of Control.Arrow.Arrow break.
> 
> Simple-ish solution: Implement the class system extension proposal[1].

Nice proposal, but that wouldn't help much here because (>>>) got
renamed to (.) in the Category class, and you still need to provide an
implementation for its 'id' function.

Bertram