On Tuesday 16 December 2008 08:03, J. McConnell wrote: > ... > > '(nil) is a list containing the single element nil. nil is no kind of > list whatsoever. So, (seq? '(nil)) is true, since '(nil) is a list > and lists are seqs and (seq? nil) is false since nil is not a > sequence. > > The quoted list equivalent of (seq? nil) is not (seq? '(nil)), it's > (seq? '()) and it rightly returns false: > > 1:1 user=> (seq? '()) > false
It is also the case that empty lists are self-evaluating: user=> ''() (quote ()) user=> '() () user=> () () >... > > - J. Randall Schulz --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---
