Hi all,
I'm trying to understand the next vs rest functions. I don't see why
you want/need both. Is it because null is in the picture? It seems
like the interface to a good old lisp list is 3 functions (car/first/
head, cdr/rest/tail, null?/empty?). I can imagine making this into an
abstract immutable sequence with a java interface like:
public interface FunctionalListyThing
{
Object first();
FunctionalListyThing rest();
boolean isEmpty();
}
Why does one need the 4th method, "next()" ?
thanks,
Rob
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