Il Sat, Aug 26, 2006 at 02:02:36AM +0200, Andrea Rossato ebbe a scrivere: > perhaps this is silly, but it is not possible to declare function > types? > > could you please indicate me some documentation that explains this > kind of stuff? So far I didn't find anything on that.
well, I've found something in the Report: 6.1.6 Function Types Functions are an abstract type: no constructors directly create functional values. The following simple functions are found in the Prelude: id, const, (.), flip, ($), and until. Now I'm trying to understand what "directly" stands for... andrea _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe