[Haskell-cafe] I miss OO

[Erik de Castro Lopo]

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:

    http://www.haskell.org/tutorial/classes.html

Erik
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Erik de Castro Lopo
http://www.mega-nerd.com/