Re: [Haskell-cafe] Looking for pointfree version

On Mon, 9 Feb 2009 14:18:18 +0000 Edsko de Vries wrote:

Hi,

Is there a nice way to write

down :: Focus -> [Focus] down p = concat [downPar p, downNew p, downTrans p]

in point-free style?

I think this should work: down = concat . swing map [downPar, downNew, downTrans] swing is defined at http://www.haskell.org/haskellwiki/Pointfree#Swing -- Robin