Class::derived( $not_blessed);

##</code><code>##

$class->derived( $not_blessed); 

##</code><code>##

Class::derived( $class_obj);             # Jack
Class::derived( Class $not_blessed);     # Queen
Class->derived( $not_blessed);           # King
$class_obj->derived( $not_blessed);      # Ace
Class::derived( "Class", $not_blessed);  # Joker