cleanup on aisle 5

basis/cocoa/subclassing/subclassing.factor

@@ -9,17 +9,20 @@ IN: cocoa.subclassing
 
 : init-method ( method -- sel imp types )
     first3 swap
-    [ sel_registerName ] [ execute ] [ ascii string>alien ] ;
+    [ sel_registerName ] [ execute ] [ ascii string>alien ]
+    tri* ;
 
 : throw-if-false ( YES/NO -- )
-    zero? [ "Failed to add method or protocol to class" throw ] when ;
+    zero? [ "Failed to add method or protocol to class" throw ]
+    when ;
 
 : add-methods ( methods class -- )
     swap
     [ init-method class_addMethod throw-if-false ] with each ;
 
 : add-protocols ( protocols class -- )
-    swap [ objc-protocol class_addProtocol throw-if-false ] with each ;
+    swap [ objc-protocol class_addProtocol throw-if-false ]
+    with each ;
 
 : (define-objc-class) ( protocols superclass name imeth -- )
     -rot