September Morn Update

Task/Queue-Usage/Elena/queue-usage.elena

@@ -1,24 +1,24 @@
-import system'collections.
-import extensions.
+import system'collections;
+import extensions;
 
-program =
-[
+public program()
+{
     // Create a queue and "push" items into it
-    var queue := Queue new.
+    var queue := new Queue();
 
-    queue push:1.
-    queue push:3.
-    queue push:5.
+    queue.push:1;
+    queue.push:3;
+    queue.push:5;
 
     // "Pop" items from the queue in FIFO order
-    console printLine(queue pop). // 1
-    console printLine(queue pop). // 3
-    console printLine(queue pop). // 5
+    console.printLine(queue.pop()); // 1
+    console.printLine(queue.pop()); // 3
+    console.printLine(queue.pop()); // 5
 
     // To tell if the queue is empty, we check the count
-    console printLine("queue is ",(queue length == 0) iif("empty","nonempty")).
+    console.printLine("queue is ",(queue.Length == 0).iif("empty","nonempty"));
 
     // If we try to pop from an empty queue, an exception
     // is thrown.
-    queue pop | if(:e)[ console writeLine:"Queue empty.". ].
-].
+    queue.pop() | on:(e){ console.writeLine:"Queue empty." }
+}