http://blogs.msdn.com/wesdyer/archive/2006/01/13/saving-the-state-of-enumerators.aspxCyrus and I were writing some code together the other day and we used an interesting data structure that I wanted to share with you. This data structure I will call a chain which is essentially a immutable singlely linked list. interface IChain &lt;T&gt;en-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/wesdyer/archive/2006/01/13/saving-the-state-of-enumerators.aspx#1534196Fri, 26 Jan 2007 07:48:32 GMT91d46819-8472-40ad-a661-2c78acb4018c:1534196Alex James<p>That is very nice</p>http://blogs.msdn.com/wesdyer/archive/2006/01/13/saving-the-state-of-enumerators.aspx#1664410Tue, 13 Feb 2007 00:48:17 GMT91d46819-8472-40ad-a661-2c78acb4018c:1664410Yet Another Language Geek<p>One of the things that I have noticed when participating in interviews with potential candidates is that</p> http://blogs.msdn.com/wesdyer/archive/2006/01/13/saving-the-state-of-enumerators.aspx#5318178Sat, 06 Oct 2007 18:53:36 GMT91d46819-8472-40ad-a661-2c78acb4018c:5318178markovich<p>One of the things that I have noticed when participating in interviews with potential candidates is that</p>