That's not a cons, that's a linked list. As tokenrove mentions, a cons in a Lisp...

TazeTSchnitzel on Sept 12, 2015 | parent | context | favorite | on: One Major Difference Between Clojure and Common Li...

That's not a cons, that's a linked list. As tokenrove mentions, a cons in a Lisp is just a tuple (`cons` is the name of the type and the function constructing it). It can contain any two values.