Hello list,
maybe I'm just stupid, I'm trying to do something like this:
import Control.Monad
import Control.Monad.Trans
import Control.Monad.List
foobar = do
a - [1,2,3]
b - [4,5,6]
liftIO $ putStrLn $ (show a) ++
You haven't really said what happens when you try this, but I would bet that
things would be clarified greatly if you put type signatures on your two
definitions.
On Fri, Apr 3, 2009 at 12:49 PM, Michael Roth mr...@nessie.de wrote:
Hello list,
maybe I'm just stupid, I'm trying to do something
On Fri, Apr 3, 2009 at 11:49 AM, Michael Roth mr...@nessie.de wrote:
Hello list,
maybe I'm just stupid, I'm trying to do something like this:
import Control.Monad
import Control.Monad.Trans
import Control.Monad.List
foobar = do
a - [1,2,3]
Creighton Hogg schrieb:
Okay, so I think what you want is
[...]
Yes. Your solution works. Thank you. But:
a - msum . map return $ [1,2,3]
Why Do I need this msum . map return thing?
The map return part is somewhat clear. But not entirely. Which
type of monad is created here?
The
