Why do you want an undefined hash, why not create an empty one, and return the empty hash (or even better return the reference to it?)

"We all agree on the necessity of compromise. We just can't agree on when it's necessary to compromise." - Larry Wall.

In reply to Re: How to have a subroutine return an undefined hash by jbrugger
in thread How to have a subroutine return an undefined hash by loris

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