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amarquis's scratchpad

by amarquis (Curate)
on Feb 15, 2008 at 18:18 UTC ( #668212=scratchpad: print w/ replies, xml ) Need Help??

Quick question

I have a sub that takes in a ref to an array of arrays, and localizes. I later do something to a cell in the array of arrays to which that ref refers, and I get a "useless use of private variable in void context" error that I don't understand in this context.

sub mysub { $arrayref = shift; ... $arrayref->[$x][$y] = 1; }

Later:

Useless use of private variable in void context at mymodule.pm line 16 +6.
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