If getDBH() doesn't actually depend on $common and it's state you could do 
$parser->{ 'getDBH' } = \&common_class::getDBH;

[download]
otherwise you could store a wrapper to the getDBH() invocation: 
$parser->{ 'getDBH' } = sub { $common->getDBH; };

[download]

In reply to Re^3: sub by reference - assigning to an object? by Arunbear
in thread sub by reference - assigning to an object? by ethrbunny

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