If you post some of your tries, we could give you specific tips. -- Markus Schnell -----Ursprüngliche Nachricht----- Von: Rajiv Patel [mailto:raj_patel@cwcom.net] Gesendet: Mittwoch, 27. August 2003 16:09 An: haskell@haskell.org Betreff: Need some help please Hi, I need to define a function called safetail; it's like tail except that this one maps the empty list to the empty list. It has to be defined using the following: 1. a conditional expression 2. guarded equation 3. pattern matching It's probably quite simple, but I am struggling on this, so help would be appreciated. Thanks Raj