Exactly! What if someone sent in something like this? 

    foo(undef, 1, 2);

[download]
Then the @_ version would shift off the undef, which is not what is wanted, I think.

Being contemplative
-v.

"Perl. There is no substitute."

In reply to Re^3: Pass an optional parameter to a subroutine by Velaki
in thread Pass an optional parameter to a subroutine by ocs

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