--- a/UndefinedObject.st Sun Dec 01 16:11:11 2019 +0100
+++ b/UndefinedObject.st Sun Dec 01 16:11:20 2019 +0100
@@ -1,3 +1,5 @@
+"{ Encoding: utf8 }"
+
"
COPYRIGHT (c) 1988 by Claus Gittinger
All Rights Reserved
@@ -110,7 +112,6 @@
"Modified: 3.1.1997 / 15:06:15 / cg"
! !
-
!UndefinedObject class methodsFor:'queries'!
canBeSubclassed
@@ -135,13 +136,11 @@
!
hasSharedInstances
- "return true if this class has shared instances, that is, instances
- with the same value are identical.
+ "return true if this class can share instances when stored binary,
+ that is, instances with the same value can be stored by reference.
True returned here - there is only one nil."
^ true
-
-
!
isBuiltInClass
@@ -153,7 +152,6 @@
^ self == UndefinedObject
! !
-
!UndefinedObject methodsFor:'Compatibility-Squeak'!
subclass:nameSymbol
@@ -174,7 +172,6 @@
! !
-
!UndefinedObject methodsFor:'converting'!
asBoolean
@@ -391,7 +388,6 @@
"Modified (comment): / 17-05-2017 / 16:37:19 / mawalch"
! !
-
!UndefinedObject methodsFor:'subclass creation'!
nilSubclass:action
@@ -841,7 +837,6 @@
^ aVisitor visitNilWith:aParameter
! !
-
!UndefinedObject class methodsFor:'documentation'!
version