On 10/20/10 4:09 AM, Simon Peyton-Jones wrote:
No, this isn't optimised. The trouble is that you write (map Foo xs), but GHC doesn't know about 'map'. We could add a special case for map, but then you'd soon want (mapTree Foo my_tree).
How about a special case for fmap? That seems like it should handle a lot of cases.
Cheers, Greg _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
