Time for an 2014 update…

Task/Associative-array-Iteration/Elena/associative-array-iteration.elena

@@ -7,13 +7,13 @@
 [
     // 1. Create
     #var aMap := Dictionary new.
-    aMap @ "key" << "foox".
-    aMap @ "key" << "foo".
-    aMap @ "key2" << "foo2".
-    aMap @ "key3" << "foo3".
-    aMap @ "key4" << "foo4".
+    aMap set &key:"key" &value:"foox".
+    aMap set &key:"key" &value:"foo".
+    aMap set &key:"key2" &value:"foo2".
+    aMap set &key:"key3" &value:"foo3".
+    aMap set &key:"key4" &value:"foo4".
 
     // Enumerate
-    control foreach:aMap &do: &&:aKeyValue
-        [ console write:(aKeyValue Key) write:" : " writeLine:(aKeyValue Value) ].
+    control foreach:aMap &do: aKeyValue
+        [ console write:(aKeyValue key) write:" : " writeLine:(aKeyValue value) ].
 ].

Task/Associative-array-Iteration/Julia/associative-array-iteration.julia

@@ -0,0 +1,19 @@
+mydict = [ "hello"=>13, "world"=>31, "!"=>71 ]
+
+# applying a function to key-value pairs:
+ map(println, mydict);
+
+# iterating over key-value pairs:
+for (key,value) in mydict
+  println("key = $key, value = $value")
+end
+
+# iterating over keys:
+for key in keys(mydict)
+  println("key = $key")
+end
+
+# iterating over values:
+for value in values(mydict)
+  println("value = $value")
+end

Task/Associative-array-Iteration/Nimrod/associative-array-iteration.nimrod

@@ -0,0 +1,23 @@
+import tables
+
+var t: TTable[int,string] = initTable[int,string]()
+
+t[1] = "one"
+t[2] = "two"
+t[3] = "three"
+t.add(4,"four")
+
+echo "t has " & $t.len & " elements"
+
+echo "has t key 4? " & $t.hasKey(4)
+echo "has t key 5? " & $t.hasKey(5)
+
+#iterate keys
+echo "key iteration:"
+for k in t.keys:
+  echo "at[" & $k & "]=" & t[k]
+
+#itetate pairs
+echo "pair iteration:"
+for k,v in t.pairs:
+  echo "at[" & $k & "]=" & v