equal
deleted
inserted
replaced
227 ! |
227 ! |
228 |
228 |
229 removeDependent:someObject |
229 removeDependent:someObject |
230 "ignored here - nil has no dependents" |
230 "ignored here - nil has no dependents" |
231 ! ! |
231 ! ! |
232 |
|
233 |
232 |
234 !UndefinedObject methodsFor:'error catching'! |
233 !UndefinedObject methodsFor:'error catching'! |
235 |
234 |
236 basicAt:index |
235 basicAt:index |
237 "catch array access - its illegal |
236 "catch array access - its illegal |
615 |
614 |
616 ^ nil |
615 ^ nil |
617 ! |
616 ! |
618 |
617 |
619 isEmptyOrNil |
618 isEmptyOrNil |
620 "return true if I am nil or an empty collection - since I am nil, return true. |
619 "return true if I am nil or an empty collection |
621 (from Sqeak)" |
620 - since I am nil, return true. (from Sqeak)" |
622 |
621 |
623 ^ true |
622 ^ true |
624 |
623 |
625 "Created: / 13.11.2001 / 13:16:40 / cg" |
624 "Created: / 13-11-2001 / 13:16:40 / cg" |
626 "Modified: / 13.11.2001 / 13:28:47 / cg" |
625 "Modified (comment): / 17-08-2011 / 09:29:30 / cg" |
627 ! |
626 ! |
628 |
627 |
629 isLiteral |
628 isLiteral |
630 "return true, if the receiver can be used as a literal constant in ST syntax |
629 "return true, if the receiver can be used as a literal constant in ST syntax |
631 (i.e. can be used in constant arrays)" |
630 (i.e. can be used in constant arrays)" |
689 ! ! |
688 ! ! |
690 |
689 |
691 !UndefinedObject class methodsFor:'documentation'! |
690 !UndefinedObject class methodsFor:'documentation'! |
692 |
691 |
693 version |
692 version |
694 ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.71 2010-07-28 17:20:51 cg Exp $' |
693 ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.72 2011-08-18 00:35:45 cg Exp $' |
695 ! |
694 ! |
696 |
695 |
697 version_CVS |
696 version_CVS |
698 ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.71 2010-07-28 17:20:51 cg Exp $' |
697 ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.72 2011-08-18 00:35:45 cg Exp $' |
699 ! ! |
698 ! ! |
700 |
699 |
701 UndefinedObject initialize! |
700 UndefinedObject initialize! |