9.9 Returning Multiple Results from a Function

A function can return multiple result values by wrapping those results in a tuple. The following function takes as a parameter a measurement value in inches. The function converts this value into yards, centimeters and meters, returning all three results within a single tuple instance:

func sizeConverter(_ length: Float) -> (yards: Float, centimeters: Float,

                                        meters: Float) {

 

    let yards = length * 0.0277778

    let centimeters = length * 2.54

    let meters = length * 0.0254

 

    return (yards, centimeters, meters)

}

The return type for the function indicates that the function...