Question: 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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