using System;
using System.Linq;
using System.Linq.Expressions;

public class Test
{
    
            public static Func<T,T,bool> MakeComparator<T>() {
            var lhs = Expression.Parameter(typeof (T), "lhs");
            var rhs = Expression.Parameter(typeof (T), "rhs");
            var allPropChecks = typeof(T)
                .GetProperties()
                .Where(p => p.CanRead && p.GetIndexParameters().Length == 0)
                .Select(p => Expression.Equal(Expression.Property(lhs, p), Expression.Property(rhs, p)))
                .ToList();
            Expression compare;
            if (allPropChecks.Count == 0) {
                return (a,b) => true; // Objects with no properties are the same
            } else {
                compare = allPropChecks[0];
                compare = allPropChecks
                    .Skip(1)
                    .Aggregate(compare, Expression.AndAlso);
            }
            return (Func<T, T, bool>)Expression.Lambda(compare, new[] { lhs, rhs }).Compile();
        }
       class Point3D {
            public int X { get; set; }
            public int Y { get; set; }
            public int Z { get; set; }
        }
        public static void Main() {
            var cmp = MakeComparator<Point3D>();
            var p1 = new Point3D {X = 1, Y = 2, Z = 3};
            var p2 = new Point3D { X = 1, Y = 2, Z = 3 };
            var p3 = new Point3D { X = 1, Y = 3, Z = 1 };
            Console.WriteLine(cmp(p1, p2));
            Console.WriteLine(cmp(p2, p3));
        }
}