#781 – A struct Can Implement an Interface

Like a class, a struct can implement an interface.  In the example below, the DogCollar struct implements the IStrapDimensions interface, which contains a couple of properties and a method.

public interface IStrapDimensions

{

    double Length { get; }

    double Width { get; }

    double CalcArea();

}

public struct DogCollar : IStrapDimensions

{

    private double length;

    public double Length

    {

        get { return length; }

    }

    private double width;

    public double Width

    {

        get { return width; }

    }

    public double CalcArea()

    {

        return Length * Width;

    }

...

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