[Haskell-cafe] Fair diagonals

Sjoerd Visscher sjoerd at w3future.com
Wed Nov 4 09:37:20 EST 2009

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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