zxsanny

public class EqualityComparerFactory
{
	private sealed class Impl<T> : IEqualityComparer<T>
	{
		private readonly Func<T, T, bool> Eq;
		private readonly Func<T, int> HashFunc;
		public Impl(Func<T, T, bool> eq, Func<T, int> hashFunc)
		{
			Eq = eq;
			HashFunc = hashFunc;