At 2001-01-18 15:38, I wrote: >3 is not always an Integer. It's of type "(Num a) => a". Of course, it would be nice if 3 were an Integer, and Integer were a subtype of Real. I haven't come across a language that does this, where for instance 3.0 can be cast to Integer (because it is one) but 3.1 cannot be. -- Ashley Yakeley, Seattle WA