@@ -192,10 +192,17 @@
 		  withObject: (id)object
 {
 	@throw [OFNotImplementedException exceptionWithClass: isa
 						    selector: _cmd];
 }
+
+-    (void)setObject: (id)object
+  atIndexedSubscript: (size_t)index
+{
+	[self replaceObjectAtIndex: index
+			withObject: object];
+}
 
 - (void)replaceObject: (id)oldObject
 	   withObject: (id)newObject
 {
 	size_t i, count = [self count];