Unsafe.cs

using System;

unsafe class Unsafe
{
        public static unsafe string DoStuff()
        {
		string st = "-0.5";
                fixed (char *str = st)
	                return new String(str + 1);
        }
        
        public static string DoStuff2()
        {
                return "-0.5" + 1;
        }
 
        public static void Main()
        {
                Console.WriteLine(DoStuff());
                Console.WriteLine(DoStuff2());
        }
}