Immutable or not immutable?

Question

Ok, as I understand it, immutable types are inherently thread safe or so I\'ve read in various places and I think I understand why it is so. If the inner state of a

Answer 1

Using your code, let's say i do this:

ImmutableList mylist = new ImmutableList();

mylist.Add(1); 

... your code, posted on StackOverflow, causes a StackOverflow-Exception. There are quite a few sensible ways to create thread save collection, copying collections (at least trying to) and calling them immutable, a lot, doesn't quite do the trick.

Eric Lippert posted a link that might be very worth reading.