base_classid.nit:47,2--8: Warning: expression is already a `A`.
base_classid.nit:48,2--9: Warning: expression is already a `A`.
base_classid.nit:49,2--8: Warning: expression is already a `A` since it is a `B`.
base_classid.nit:52,2--8: Warning: expression is already a `B`.
true
true
true
true
true
true
true
true