using System;
using System.Linq;
using System.Collections.Generic;
 
public class Test
{
        public static void Main()
        {
                var rose = new Fact { Thing = "Roses are", Color = 0xFF0000 };
                var violet = new Fact { Thing = "Violets are", Color = 0x0000FF };
                var sugar = new Fact { Thing = "Sugar is", Color = 0x1337 };
 
                var list = new List<Fact> () {
                    rose, rose, violet, sugar, sugar
                };
 
                foreach (var item in list.Distinct()) {
                    Console.WriteLine ("{0:x} {1:x}", item.Thing, item.Color);
                }
        }
}
 
 
public class Fact
{
    public string Thing { get; set; }
    public int Color { get; set; }
}

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