On 22 May 2013 08:09, Baishampayan Ghose <b.gh...@gmail.com> wrote: > Using a lambda seems to be a sane approach - > > (reduce #(and %1 %2) '(false false true)) > ;=> false
Note that this will always traverse the entire input collection, whereas every? stops at the first false value. Same thing goes for reducing with #(or %1 %2) vs. using some. Cheers, Michał > > On Wed, May 22, 2013 at 5:36 AM, Peter Mancini <pe...@cicayda.com> wrote: >> OK long time lurker here. I've been growing in my Clojure strength for a >> while now. For the most part I think I get it and I have no problem getting >> programs to do what I want. However, sometimes I get stumped. >> >> I have one function that produces a list of booleans like '(false false >> true). It seemed to me that this should be legal: >> >> (reduce and '(false false true)) >> >> However that is not legal with the complaint being something about "and" >> being a macro. :-/ >> >> I did get it to work with: >> >> (eval (conj '(false false true) 'and)) >> >> It works but is it "correct"? Is it what you would do? I noticed that '(nil >> nil true) will cause "and" to produce false, so I am aware of that edge >> case. Anything else I should be aware of? >> >> 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 unsubscribe from this group and stop receiving emails from it, send an >> email to clojure+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> > > > > -- > Baishampayan Ghose > b.ghose at gmail.com > > -- > -- > 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 unsubscribe from this group and stop receiving emails from it, send an > email to clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > > -- -- 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 unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
