GHC/Type system
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== Type system extensions in GHC == | == Type system extensions in GHC == | ||
| - | GHC comes with a rather | + | GHC comes with a rather large collection of type-system extensions (beyond Haskell 98). They are all documented in the [http://www.haskell.org/ghc/docs/latest/html/users_guide/type-extensions.html user manual], but this page is a place to record observations, notes, and suggestions on them. |
=== Overlapping instances === | === Overlapping instances === | ||
Revision as of 02:01, 12 October 2006
1 Type system extensions in GHC
GHC comes with a rather large 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.
