Why does C#'s iterators feature spit out a class definition instead of a struct definition?

Why does C#'s iterators feature spit out a class definition instead of a struct definition?http://blogs.msdn.com/b/csharpfaq/archive/2004/07/20/why-does-c-s-iterators-feature-spit-out-a-class-definition-instead-of-a-struct-definition.aspxQ: Why does C#'s iterators feature spit out a class definition instead of a struct definition? The iterators feature in C# generates classes that implement the enumerators required. This is detailed in the C# Specification . Why doesn't it use structsen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)re: Why does C#'s iterators feature spit out a class definition instead of a struct definition?http://blogs.msdn.com/b/csharpfaq/archive/2004/07/20/why-does-c-s-iterators-feature-spit-out-a-class-definition-instead-of-a-struct-definition.aspx#190952Thu, 22 Jul 2004 08:42:00 GMT91d46819-8472-40ad-a661-2c78acb4018c:190952FanDoes it realy support recursive cases? I think it's fantastic!<div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=190952" width="1" height="1">