[Haskell-cafe] Deconstructing types

Sean Leather leather at cs.uu.nl
Tue Sep 8 02:34:27 EDT 2009

> I don't know a thing about SYB, Data.Data, or Data.Typeable, mostly because
> I'm an efficiency fanatic.  Nevertheless, I'd like to know whether or not
> there's a way to deconstruct a (mostly) arbitrary type, into tuples, unions,
> etc. using this framework.  Any thoughts?

You can use the Template Haskell deriving in EMGM to get that structure
pretty efficiently.


The obligatory question is: why do you want it?

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