alt/base_virtual_type_self_alt4.nit:44,9: Type error: expected A[Int], got Float
alt/base_virtual_type_self_alt4.nit:45,7--12: Type error: expected Float, got A[Int]
alt/base_virtual_type_self_alt4.nit:47,7--12: Type error: expected Float, got A[A[Int]]