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C# Intermediate C# Abstraction Interfaces

Interface implementation confusion, it should not be this hard.

Stuck on this exercise, any help will be greatly appreciated.

IUnaryOperation.cs
namespace Treehouse.CodeChallenges
{
    interface IUnaryOperation
    {
       double Perform(double value);   
    }
}
Increment.cs
namespace Treehouse.CodeChallenges
{
    class Increment : IUnaryOperation
    {
        double Perform(double value)
        {
            return value++;
        }
    }
}

1 Answer

I answer my own question :). Basically, I needed to make the method public in the implementing class.