--- a/OrdColl.st	Fri Aug 11 18:03:05 1995 +0200
+++ b/OrdColl.st	Sun Aug 13 00:54:52 1995 +0200
@@ -21,7 +21,7 @@
 COPYRIGHT (c) 1989 by Claus Gittinger
 	      All Rights Reserved
 
-$Header: /cvs/stx/stx/libbasic/Attic/OrdColl.st,v 1.31 1995-08-11 03:02:37 claus Exp $
+$Header: /cvs/stx/stx/libbasic/Attic/OrdColl.st,v 1.32 1995-08-12 22:54:52 claus Exp $
 '!
 
 !OrderedCollection class methodsFor:'documentation'!
@@ -42,7 +42,7 @@
 
 version
 "
-$Header: /cvs/stx/stx/libbasic/Attic/OrdColl.st,v 1.31 1995-08-11 03:02:37 claus Exp $
+$Header: /cvs/stx/stx/libbasic/Attic/OrdColl.st,v 1.32 1995-08-12 22:54:52 claus Exp $
 "
 !
 
@@ -91,6 +91,18 @@
     ^ lastIndex - firstIndex + 1
 !
 
+isEmpty
+    "return true, if the receiver has no elements"
+
+    ^ lastIndex < firstIndex
+!
+
+notEmpty
+    "return true, if the receiver has any elements"
+
+    ^ lastIndex >= firstIndex
+!
+
 capacity
     "return the number of elements, that the receiver is
      prepared to take.