Data update

Task/Queue-Usage/EasyLang/queue-usage.easy

@@ -0,0 +1,9 @@
+##
+# queue definition
+#
+qu_enq 2
+qu_enq 5
+qu_enq 7
+while qu_empty = 0
+   print qu_deq
+.

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

@@ -6,9 +6,9 @@ public program()
     // Create a queue and "push" items into it
     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
@@ -20,5 +20,5 @@ public program()
 
     // If we try to pop from an empty queue, an exception
     // is thrown.
-    queue.pop() \\ on:(e){ console.writeLine:"Queue empty." }
+    queue.pop() \\ on::(e){ console.writeLine("Queue empty.") }
 }

Task/Queue-Usage/Wren/queue-usage.wren

@@ -1,4 +1,4 @@
-import "/queue" for Queue
+import "./queue" for Queue
 
 var q = Queue.new()
 q.push(1)