main =>
  Tasks = [[3,"Clear drains"],
           [4,"Feed cat"],
           [5,"Make tea"],
           [1,"Solve RC tasks"],
           [2,"Tax return"]],
  Heap = new_min_heap([]),
  foreach(Task in Tasks)
     Heap.heap_push(Task),
     println(top=Heap.heap_top())
  end,
  nl,
  println(Heap),
  println(size=Heap.heap_size),
  nl,
  println("Pop the elements from the queue:"),
  println([Heap.heap_pop() : _ in 1..Heap.heap_size]).