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What's the weaken here for?

by PerlOnTheWay (Scribe)
on Jan 20, 2012 at 02:06 UTC ( #948867=perlquestion: print w/ replies, xml ) Need Help??

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  1. or download this
    sub once {
        my $wrapper;
    ...
    }
    my $on = once;
    $on->();
    

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