equal
deleted
inserted
replaced
106 |
106 |
107 "Created: 3.1.1997 / 15:05:48 / cg" |
107 "Created: 3.1.1997 / 15:05:48 / cg" |
108 "Modified: 3.1.1997 / 15:06:15 / cg" |
108 "Modified: 3.1.1997 / 15:06:15 / cg" |
109 ! ! |
109 ! ! |
110 |
110 |
|
111 |
111 !UndefinedObject class methodsFor:'queries'! |
112 !UndefinedObject class methodsFor:'queries'! |
112 |
113 |
113 canBeSubclassed |
114 canBeSubclassed |
114 "return true, if its allowed to create subclasses of the receiver. |
115 "return true, if its allowed to create subclasses of the receiver. |
115 Return false here - since it is NOT possible for UndefinedObject. |
116 Return false here - since it is NOT possible for UndefinedObject. |
152 ! ! |
153 ! ! |
153 |
154 |
154 |
155 |
155 |
156 |
156 |
157 |
157 |
|
158 |
|
159 !UndefinedObject methodsFor:'converting'! |
158 !UndefinedObject methodsFor:'converting'! |
160 |
159 |
161 asBoolean |
160 asBoolean |
162 ^ false |
161 ^ false |
|
162 ! |
|
163 |
|
164 asNilIfEmpty |
|
165 "I am nil, so answer nil" |
|
166 |
|
167 ^ self |
163 ! |
168 ! |
164 |
169 |
165 literalArrayEncoding |
170 literalArrayEncoding |
166 "encode myself as an array literal, from which a copy of the receiver |
171 "encode myself as an array literal, from which a copy of the receiver |
167 can be reconstructed with #decodeAsLiteralArray." |
172 can be reconstructed with #decodeAsLiteralArray." |
694 ! ! |
699 ! ! |
695 |
700 |
696 !UndefinedObject class methodsFor:'documentation'! |
701 !UndefinedObject class methodsFor:'documentation'! |
697 |
702 |
698 version |
703 version |
699 ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.73 2013-01-22 13:08:06 cg Exp $' |
704 ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.74 2013-04-15 08:48:08 stefan Exp $' |
700 ! |
705 ! |
701 |
706 |
702 version_CVS |
707 version_CVS |
703 ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.73 2013-01-22 13:08:06 cg Exp $' |
708 ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.74 2013-04-15 08:48:08 stefan Exp $' |
704 ! ! |
709 ! ! |
705 |
710 |
706 |
711 |
707 UndefinedObject initialize! |
712 UndefinedObject initialize! |