alt/error_init_auto_alt2.nit:34,5--9: Error: arity mismatch; prototype is 'init(x: Int, y: Int)'. alt/error_init_auto_alt2.nit:35,5--12: Error: arity mismatch; prototype is 'init(x: Int, y: Int)'. alt/error_init_auto_alt2.nit:37,5--18: Error: arity mismatch; prototype is 'init(x: Int, y: Int)'. alt/error_init_auto_alt2.nit:38,5--16: Error: Method 'foo' doesn't exists in A.