Extensible Types

Ashley Yakeley ashley at semantic.org
Tue Feb 21 22:01:14 EST 2006

Simon Marlow wrote:
> Haskell doesn't do open-ended extensible types very well, 

It would be great to change this (perhaps not for Prime, though). It 
would mean being able to write something like Dynamic without special 
language support and associated ugliness.

See http://haskell.org/haskellwiki/Extensible_datatypes

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