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C#

Posted by Luke Vaughan
Luke Vaughan
15,258 Points

In Increment.cs create a class named Increment that implements the IUnaryOperation interface. The Perform method should

In Intermediate C# there is a code challenge I am stuck on.

I currently have the following code. 

 namespace Treehouse.CodeChallenges
{
    interface IUnaryOperation 
    {
        double Perform(double value);
    }

}



namespace Treehouse.CodeChallenges
{
 class Increment : IUnaryOperation
 {

 }
}


What is missing?
Luke Vaughan
Luke Vaughan
15,258 Points

here is a link to the code challenge. https://teamtreehouse.com/library/intermediate-c/abstraction/interfaces

1 Answer

Hannu Shemeikka
Hannu Shemeikka
16,799 Points
Hannu Shemeikka
Hannu Shemeikka
16,799 Points

Hi,

You are missing the Perform-method inside Increment-class.

namespace Treehouse.CodeChallenges
{
    public class Increment : IUnaryOperation {

        public double Perform(double value) {
            return value += 1;   
        }
    }
}