Talk:J operator

What does it do and why?
Why did they invent the J operator? The article does not clearly describe what the purpose of the J operator is, or give any examples of how it would be used. What... is it? — Preceding unsigned comment added by 71.234.123.137 (talk) 04:52, 29 May 2012 (UTC)
 * I don't know why they invented J operator. I also think that it's misleading to call it that. The original name was "program-point". The paper that describes it, describes the operator as "the thing most closest to jump", which was basically a mechanism for cases where eager evaluation would not do. (This is my speculation). As far as I can understand, the below Common Lisp code tries to roughly represent the idea:

79.183.183.207 (talk) 11:05, 24 January 2014 (UTC)