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Re^2: Why is "undef" after passing not readonly anymore?

by LanX (Chancellor)
on Sep 07, 2012 at 08:37 UTC ( #992266=note: print w/replies, xml ) Need Help??


in reply to Re: Why is "undef" after passing not readonly anymore?
in thread Why is "undef" after passing not readonly anymore?

Hi

Good point, but I think it's even simpler!

There are so many cases where undef is occasionally passed as argument, that inner variables of a sub like $_[0] must be writable.

Cheers Rolf

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