> But I'd likely go with BrowserUk's suggestion instead

True but since I can't find this "aliasing" documented in delete it has the disadvantage of an implementation detail.

Though I don't expect it to be changed ever, since it's a safe performance gain.

edit

And more importantly the code wouldn't break if this was changed, only slow down.

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Je suis Charlie!

In reply to Re^2: push to array without copying (\@_) by LanX
in thread push to array without copying by chris212

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