Chained comparisions

ChainedComparer.cs

    public class ChainedComparer<T> : IComparer<T>
    {
        private readonly Func<T, T, int>[] _compareFunctions;

        public ChainedComparer(params Func<T, T, int>[] compareFunctions)
        {
            _compareFunctions = compareFunctions;
        }

        public ChainedComparer(params Func<T, IComparable>[] comparableValueSelectors)
        {
            _compareFunctions = comparableValueSelectors
                .Select<Func<T, IComparable>, Func<T, T, int>>(x => (a, b) => x(a).CompareTo(x(b)))
                .ToArray();
        }

        public int Compare(T x, T y)
        {
            return _compareFunctions.Select(func => func(x, y)).FirstOrDefault(result => result != 0);
        }
    }