September Morn Update

Task/Anonymous-recursion/Elena/anonymous-recursion.elena

@@ -1,28 +1,37 @@
-import extensions.
+import extensions;
 
 fib(n)
-[
+{
     if (n < 0)
-        [ InvalidArgumentException new:"Must be non negative"; raise ].
+        { InvalidArgumentException.raise() };
 
-    ^ (:n)
-        [
-            if (n > 1)
-                [ ^ @self(n - 2) + @self(n - 1) ];[ ^ n ]
-        ](n)
-]
-
-public program
-[
-    -1 to:10 do(:i)
-    [
-        try (console printLine("fib(",i,")=",fib(i)))
+    ^ (n)
         {
-            on(Exception e)
-            [
-                console printLine:"invalid"
-            ]
+            if (n > 1)
+            {
+                ^ this self(n - 2) + (this self(n - 1))
+            }
+            else
+            {
+                ^ n
+            }
+        }(n)
+}
+
+public program()
+{
+    for (int i := -1, i <= 10, i += 1)
+    {
+        console.print("fib(",i,")=");
+        try
+        {
+            console.printLine(fib(i))
         }
-    ].
-    console readChar
-]
+        catch(Exception e)
+        {
+            console.printLine:"invalid"
+        }
+    };
+
+    console.readChar()
+}