On Thu, 29 Dec 2011 08:29:41 +0100 Tim Baumgartner <baumgartner.tim at googlemail.com> wrote: > > > > Hi Manfred, > > have a look here: > http://hackage.haskell.org/packages/archive/monad-loops/latest/doc/html/Control-Monad-Loops.html#v:allM > Thanks Tim, didn't know that. -- Manfred