Re: proposed addition to perlvar

On 9 June 2010 17:16, Steffen Mueller <[email protected]> wrote:
> Matt Sergeant wrote:
>>
>> On Tue, 8 Jun 2010, Chas. Owens wrote:
>
> [...]
>>>
>>>   my @a            = ("a", "b", "c");
>>>   my $last_index   = $#a;     # $last_index is 2
>>>   my $last_element = $a[$#a]; # $last_element is "c"
>>
>> Do we want to "encourage" this kind of use or prefer to encourage the [-1]
>> format?
>
> Good point. This: "foreach (0..$#ary)" seems like a good idea to prevent
> Obiwan errors. "$ary[$#ary]" seems a fairly unnecessary use of \W to me.

I find it moderately ironic that in the worst case $#ary /will/ return -1.

And that when it does so, this code will throw an error.

cheers,
Yves



-- 
perl -Mre=debug -e "/just|another|perl|hacker/"