I guess he is asking how to define a modifiable list in Haskell. I leave the answer to the experts. AFAIK updating in place can only be done with the (ST s) monad. Scott ----- Original Message ----- From: "fouad ktiri" <f.ktiri@caramail.com> To: <haskell-cafe@haskell.org> Sent: Friday, August 30, 2002 2:03 PM Subject: aide SVP Bonjour, Comment faire pour stocker des données dans une liste comme en programmation normale (x=x+1) Merci beaucoup ______________________________________________________ Boîte aux lettres - Caramail - http://www.caramail.com