Serve the Front Customer

Write a function void serve(queue<string>& line) that serves the customer at the front of line: print Serving:  followed by the front name on its own line, then remove that customer with line.pop(). You may assume the queue is not empty when serve is called.

Example: if the line holds Ann then Bob, calling serve(line) prints:
Serving: Ann

and afterwards Bob is at the front (the first test then prints Next: Bob; the second test serves a line with one person and prints Size: 0).

Do NOT write a main function.

Expected Output:

Serving: Ann↵
Next: Bob↵
Serving: Zoe↵
Size: 0↵

= newline. The output ends with a newline — print one after the last line.

Hints2 available

Topics:

STL ContainersQueues

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