m (GHC/TypeSystem moved to GHC/Type system)
Revision as of 07:27, 10 August 2006
1 Type system extensions in GHC
GHC comes with a rather lare collection of type-system extensions (beyond Haskell 98). They are all documented in the user manual, but this page is a place to record observations, notes, and suggestions on them.
1.1 Overlapping instances
Here an interesting message about the interaction of existential types and overlapping instances.