' my $default; '.
' $default = $attr->default(' . $inv . ') if $attr->has_default;' .
' if ( $attr->has_builder ) { '.
- ' my $builder = $self->builder;'.
+ ' my $builder = $attr->builder;'.
' if($builder = '.$inv.'->can($builder)){ '.
' $default = '.$inv.'->$builder; '.
' } else { '.