[Haskell-beginners] Differences between OO-style Interfaces and type classes. Any 'Haskell' way of doing it?

[Brandon S. Allbery KF8NH]

On 2009 Apr 4, at 11:06, Александър Л. Димитров  
wrote:
> So, my problem here is: I'd like a tree to store partial functions  
> of possibly
> different types and then be able to compose a leaf's or non-leaf's  
> payload with
> all the parent's payloads to yield a final result.

Have you considered using generics?

-- 
brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH


-------------- next part --------------
A non-text attachment was scrubbed...
Name: PGP.sig
Type: application/pgp-signature
Size: 195 bytes
Desc: This is a digitally signed message part
Url : http://www.haskell.org/pipermail/beginners/attachments/20090404/398039c2/PGP.bin