Austin~
On 9/29/05, Austin Hastings <[EMAIL PROTECTED]> wrote:
> Plus it's hard to talk about backwards. If you say
>
> for @l -> ?$prev, $curr, ?$next {...}
>
> what happens when you have two items in the list? I think we're best off
> using signature rules: optional stuff comes last.
I disagree, I think that is an easy call
for (1, 2) -> ?$prev, $cur, ?$next {
say "$prev -> $cur" if $prev;
say $cur;
say "$cur -> $next" if $next;
say "next";
}
should print
1
1 -> 2
next
1 -> 2
2
next
Matt
--
"Computer Science is merely the post-Turing Decline of Formal Systems Theory."
-Stan Kelly-Bootle, The Devil's DP Dictionary
