Extensible records in Haskell

[Nicolas Oury]

 >   > Hello, is there something like extensible records in ghc?

 >Are you wanting something like Hugs' T-Rex or did you have something
 >else in mind?


Hello,
For what I understand of T-Rex it is what I wait.

I need something that can allow to use records without declaring their 
type first and that can be extended by creating a new records with the 
same contents plus one or less one.

Best regards,
Nicolas