September 2017 Update

Task/Generic-swap/Elena/generic-swap.elena

@@ -0,0 +1,24 @@
+import extensions.
+
+singleton swap
+{
+    eval ref:v1 ref:v2
+    [
+        var tmp := v1 value.
+
+        v1 object := v2 value.
+        v2 object := tmp.
+    ]
+}
+
+program =
+[
+    var n := 2.
+    var s := "abc".
+
+    console printLine(n," ",s).
+
+    swap eval ref:n ref:s.
+
+    console printLine(n," ",s).
+].