C# Querying With LINQ Functional Programming in C# Actions and Funcs

Where is a problem, in VC code run without any problem.

Where I can change to go next challeng ?

using System;

namespace Treehouse.CodeChallenges
    public class Program
        public Func<int,int> Square = delegate(int number)
            return number * number;

1 Answer

No comment, restart helped.