insert(PriorityQueue,Thing) -- insert a new element into the queue

• Function: insert

• Usage:

  Q = insert(Q,x)

• Inputs:
  • Q, an instance of the type PriorityQueue,
  • x, a thing,
• Outputs:
  • Q, an instance of the type PriorityQueue, the same PriorityQueue as the input, now with a new element inserted

i1 : Q = priorityQueue {1,2,3}

o1 = PriorityQueue{...4...}

o1 : PriorityQueue

i2 : insert(Q,0)

o2 = PriorityQueue{...4...}

o2 : PriorityQueue

i3 : insert(Q,4)

o3 = PriorityQueue{...4...}

o3 : PriorityQueue

i4 : min Q

o4 = 0