On 10/14/10 1:15 AM, Jonas Almström Duregård wrote:
[...]
Also, what is UntaggedList used for, and how is it different from [].
/J
UntaggedList makes it easy for you do things like the following:
processListAsTaggedList :: [a] -> (forall n. TaggedList n a -> b) -> b
processListAsTaggedList xs f =
case fromListAsUntagged xs of
UntaggedList lst -> f lst
Cheers,
Greg
_______________________________________________
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe
