Thanks moritz, this looks like the cleanest solution. I didn't know about the :lvalue attribute -- that's quite handy. Sure beats what I was doing for accessors/mutators before: 
sub classvar {
    my $self = shift;
    $self->{classvar} = shift if @_;
    return $self->{classvar};
}

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In reply to Re^2: Access package variables of subclass from base class by slower
in thread Access package variables of subclass from base class by slower

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