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Trying to Understand Callback(s)

by DanielSpaniel (Scribe)
on Nov 23, 2017 at 22:06 UTC ( [id://1204168] : perlquestion . print w/replies, xml ) Need Help??

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  1. or download this
    sub get_callback {
        my (undef, $tx) = @_;
        ....
        ....
    }