On Thu, Mar 11, 2010 at 2:33 PM, Kevin Downey <redc...@gmail.com> wrote:
> seq is not seq? > > No- it's just that empty lists are still seqs (seq? returns true). The only thing that is wrong here is the doc comment for empty?- it makes sense (to me at least) that empty lists are seqs, just like non-empty lists are. Which means that (seq? x) and (not (empty? x)) are not equivalent bits of code. > On Thu, Mar 11, 2010 at 11:19 AM, Brian Hurt <bhur...@gmail.com> wrote: > > So the doc comment on empty? reads, in part: > > > >> Please use the idiom (seq x) rather than (not (empty? x)) > > > > A heads up to people: these two code sequences are *not* identical in > > behavior: > > > > user=> (seq? '()) > > true > > user=> (not (empty? '())) > > false > > user=> > > > > Brian > > > > -- > > 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 > > Note that posts from new members are moderated - please be patient with > your > > first post. > > To unsubscribe from this group, send email to > > clojure+unsubscr...@googlegroups.com<clojure%2bunsubscr...@googlegroups.com> > > For more options, visit this group at > > http://groups.google.com/group/clojure?hl=en > > > > -- > And what is good, Phaedrus, > And what is not good— > Need we ask anyone to tell us these things? > > -- > 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 > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com<clojure%2bunsubscr...@googlegroups.com> > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en -- 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 Note that posts from new members are moderated - please be patient with your first post. 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
