[Haskell-cafe] Re: Datatypes - Haskell

Richard A. O'Keefe ok at cs.otago.ac.nz
Mon Feb 11 19:23:07 EST 2008

On the subject of data types, I've recently seen Haskell code using
	data Foo ... = Foo { ... }
where I would have used newtype instead of data.  When is it a good
idea to avoid newtype?

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