[Haskell-cafe] Fair diagonals

[Sjoerd Visscher]

On Nov 4, 2009, at 3:21 PM, Twan van Laarhoven wrote:
>
> I looked on hackage but I was surprised that I couldn't find this  
> simple monad. The package level-monad does look very similar, only  
> it uses a different list type for the representation.
>


indeed, level-monad works as well:

import Control.Monad.Levels
import Data.FMList (fromList)

diagN = bfs . mapM fromList

--
Sjoerd Visscher
sjoerd at w3future.com



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