not-every? is a predicate (note the ?) some is not.
On Thu, Jun 14, 2012 at 11:31 AM, Jacobo Polavieja < jacobopolavi...@gmail.com> wrote: > Hi! > > I've just started learning Clojure today. I've started reading "Clojure - > Functional Programming for the JVM" ( > http://java.ociweb.com/mark/clojure/article.html<http://java.ociweb.com/mark/clojure/article.html#Collections> > ). > > Anyway, on the collections part ( > http://java.ociweb.com/mark/clojure/article.html#Collections) it called > my attention that 'some' returns "nil" instead of "false". The examples > given (being stooges a vector of Strings) are: > > (not-every? #(instance? String %) stooges) ; -> false > (some #(instance? Number %) stooges) ; -> nil > > Is there a reason why (some) doesn't return false also? I've read through > the doc but as I supposed, there's no explanation about the reasoning > behind it. > > Thanks! > > -- > 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 -- 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