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C++ Plus Data Structures Implement the following specification for an integer function in the client program that returns the number of items in a queue.
C++ Plus Data Structures
Implement the following specification for an integer function in the client program that returns the number of items in a queue. The queue is unchanged.
int GetLength (QueType queue)
Function: Determines the number of items in the queue.
Precondition: queue has been initialized.
Postcondition: queue is unchanged.
Function value = number of items in queue.
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