[Haskell-cafe] I miss OO

Erik de Castro Lopo mle+hs at mega-nerd.com
Wed Nov 25 16:08:59 EST 2009

Michael Mossey wrote:

> I'm fairly new to Haskell, and starting to write some big projects. 
> Previously I used OO exclusively, mostly Python. I really miss the 
> "namespace" capabilities... a class can have a lot of generic method names 
> which may be identical for several different classes because there is no 
> ambiguity.
> In my musical application, many "objects" (or in Haskell, data) have a time 
> associated with them. In Python I would have an accessor function called 
> "time" in every class.

This is what Type Classes in Haskell are for. See:


Erik de Castro Lopo

More information about the Haskell-Cafe mailing list