Short-circuit evaluation: Difference between revisions

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 The choice we make is that <code>funky</code> is ordinary if the right-side expression was evaluated, and otherwise is <em>ruined</em>; attempts to access the variable give an error.
 =={{header|Elena}}==
-ELENA 3.4 :
+ELENA 4.x :
-<lang elena>import system'routines.
+<lang elena>import system'routines;
-import extensions.
+import extensions;
-a(x)[ console writeLine:"a". ^ x. ]
+Func<bool, bool> a = (bool x){ console.writeLine:"a"; ^ x };
-b(x)[ console writeLine:"b". ^ x. ]
+Func<bool, bool> b = (bool x){ console.writeLine:"b"; ^ x };
+const bool[] boolValues = new bool[] { false, true };
+public program()
+{
+    boolValues.forEach:(bool i)
+    {
+        boolValues.forEach:(bool j)
+        {
+            console.printLine(i," and ",j," = ",a(i) && b(j));
+            console.writeLine();
-public program
+            console.printLine(i," or ",j," = ",a(i) || b(j));
-[
+            console.writeLine()
-    (false, true) forEach(:i)
-    [
+        }
+    }
-        (false, true) forEach(:j)
+}</lang>
-        [
-            console printLine(i," and ",j," = ",a(i) && $(b(j))).
-            console writeLine.
-            console printLine(i," or ",j," = ",a(i) || $(b(j))).
-            console writeLine
-        ]
-    ]
-]</lang>
 {{out}}
 <pre>