FuncVsMethodOverloads.cs

using System;

namespace FuncOverloads
{
  public class Program
  {
    public static void Main( string[] args )
    {
      Func<int> funcReturnsInt = () => { return 0; };

      Parse( funcReturnsInt ); // Works
      funcReturnsInt = MethodReturnsInt; // Works
      Parse( funcReturnsInt ); // Works
      Parse( (Func<int>)MethodReturnsInt ); // Works
      Parse( MethodReturnsInt ); // Does not work
    }

    public static int MethodReturnsInt() { return 0; }
    public static void Parse(Func<int> func) { }
    public static void Parse( Func<string> func ) { }
  }
}