Data update

Task/Extend-your-language/ArkScript/extend-your-language.ark

@@ -0,0 +1,20 @@
+(macro if2 (conds bothConditionsAreTrue firstConditionIsTrue secondConditionIsTrue noConditionIsTrue) {
+  # Assuming 'conds' is a node with at least 2 subnodes.
+  # Get its content and evaluate it once, to be able to
+  # refer to it without reevaluating the conditions
+  (let result1 (head conds))
+  (let result2 (@ conds 1))
+
+  (if (and result1 result2)
+    bothConditionsAreTrue
+    (if result1
+      firstConditionIsTrue
+      (if result2
+        secondConditionIsTrue
+        noConditionIsTrue)))})
+
+(if2 (true false)
+  (print "1")
+  (print "2")
+  (print "3")
+  (print "4"))