On Fri, 7 Oct 2011, Stefano Zacchiroli wrote: > On Fri, Oct 07, 2011 at 06:57:54PM +0200, Walter Cazzola wrote: >> Dear all, sorry for being so dumb but I've still problems with types >> and the sig syntax. > No problem, it's always nice to help new people discovering the mighty > OCaml :) As a heads-up, there is also a very helpful beginner's list, > documented in the trailer of every message posted to this list: >> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners > You might want to try it out as well. Indeed you are right, I will give it a try even if some of my questions (see the message with subject «with clause») didn't find a solution in this list and I'm quite sure they will not solved in the beginner list as well. Walter --