Queue/Definition: Difference between revisions

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@@ Line 3,659: / Line 3,659: @@
   if queue.isEmpty: queue.tail = nil
-var fifo = initQueue[int]()
+when isMainModule:
-fifo.push(26)
-fifo.push(99)
+  var fifo = initQueue[int]()
-fifo.push(2)
-echo "Fifo size: ", fifo.len()
-echo "Popping: ", fifo.pop()
+  fifo.push(26)
-echo "Popping: ", fifo.pop()
+  fifo.push(99)
-echo "Popping: ", fifo.pop()
+  fifo.push(2)
+  echo "Fifo size: ", fifo.len()
-try:
+  try:
-  echo "Popping: ", fifo.pop()
+    echo "Popping: ", fifo.pop()
-except ValueError:
-  echo "Exception catched: ", getCurrentExceptionMsg()</lang>
+    echo "Popping: ", fifo.pop()
+    echo "Popping: ", fifo.pop()
+    echo "Popping: ", fifo.pop()
+  except ValueError:
+    echo "Exception catched: ", getCurrentExceptionMsg()</lang>
 {{out}}
 <pre>Fifo size: 3