Am 15.03.2014 18:13, schrieb adam vogt:
http://www.haskell.org/ghc/docs/7.8.1-rc2/html/users_guide/syntax-extns.html#explicit-namespaces
is the trick
Great, this works!
Now I run into the next problem: How can I convert a type-level natural
number into a data-level number? The Trac-Wiki mentions singletons:
https://ghc.haskell.org/trac/ghc/wiki/TypeNats/Basics
and the base package of GHC-7.6 exports the Sing class:
http://hackage.haskell.org/package/base-4.6.0.1/docs/GHC-TypeLits.html
but it seems to have gone in GHC-7.8. :-(
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