[Haskell-beginners] Haddock question

Stephen Tetley stephen.tetley at gmail.com
Tue Apr 5 23:06:37 CEST 2011

The common way to export type classes is


I'm not sure what happens if you export the "closed" class and the
methods separately - I'd guess it means you can use the methods and
put the class name in type signatures but can't declare new instances.
As I've never needed to close classes, it's not something I've looked

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