Data commit

Task/Associative-array-Iteration/OoRexx/associative-array-iteration.rexx

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+d = .directory~new
+d["hello"] = 1
+d["world"] = 2
+d["!"] = 3
+
+-- iterating over keys:
+loop key over d
+    say "key =" key
+end
+
+-- iterating over values:
+loop value over d~allitems
+    say "value =" value
+end
+
+-- iterating over key-value pairs:
+s = d~supplier
+loop while s~available
+    say "key =" s~index", value =" s~item
+    s~next
+end