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$ perl -MO=Deparse,-p -e 'my $map = match_maprow_by_hash $self( $first + );' (my $map = $self->match_maprow_by_hash($first)); -e syntax OK
$objref = new Doggie( Tail => 'short', Ears => 'long' ); $objref = Doggie->new(Tail => 'short', Ears => 'long');