Are you saying that creating vars named $_[0] (like you did) is better than creating a var named $acc, or did you just not read my post? | [reply]
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$_[0] is not created, $acc is, hence it is an extra. The rules say "no extra vars", so your post is missing a point. Which means also that your sarcasm of me allegedly not reading your post is undeserved - I did read it.
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There's no sarcasm. What I said should be interpreted literally.
$_[0] is not created
It didn't exist before splice(@_, 0, 0, 1) and your equivalent, and it does afterwards. That's the very definition of created.
(If you're gonna argue that $_[0] did exist, then its $_[$#_] you created.)
Where splice and my create the variable differs, but both create a new scalar variable.
The rules say "no extra vars",
Again, you've created a whole bunch of vars. If you're not subject to your rule, I'm definitely not.
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