>> What's the difference between pointers and references? Where can I read >> about that difference? > > The key difference in my mind is this: Perl references are defined in > terms of perl datatypes. C pointers are defined (more or less) in > terms of memory locations. > > If you think about Perl references in terms of *what they do* and not > *how they work*, it becomes much clearer. There is nothing you can do > to a perl reference to get its "memory address", so that doesn't fit > within the conceptual framework of Perl references. Perl references > are simply scalar values which provide an indirect form of access to > other perl objects (including scalars, hashes, OO types...). You can > create a reference from a named or anonymous variable, and you can > dereference that reference to get the original object. You can think > of them as labels or tags or handles; all of these ideas fit the > paradigm created by the interface of the reference.
This is exactly what I needed, thanks Philip! - Bryan -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
