diff -r d99e4a2e6a4b -r 25a3fac40fce OrderedDictionary.st
--- a/OrderedDictionary.st	Mon Sep 30 14:02:37 2019 +0200
+++ b/OrderedDictionary.st	Tue Oct 01 09:29:58 2019 +0200
@@ -829,6 +829,22 @@
     self from:firstIndex to:lastIndex do:aBlock.
 !
 
+doWithIndex:aBlock 
+    "like keysAndValuesDo:, but passes the index as second argument.
+     Same as withIndexDo:, due to parallel evolution of different Smalltalk dialects"
+
+    order doWithIndex: [:key :idx | aBlock value:(self at: key) value:idx ]
+
+    "
+     |d|
+     d := OrderedDictionary new.
+     d at:'z' put:'ZZZ'.
+     d at:'b' put:'BBB'.
+     d at:'a' put:'AAA'.
+     d doWithIndex:[:val :idx | Transcript showCR:'idx: %1 val: %2' with:idx with:val].
+    "
+!
+
 findFirst:aBlock ifNone:exceptionalValue
     "Return the index of the first association in the dictionary for which aBlock
     evaluates as true. If the block does not evaluate to true, return exceptionalValue"