Using letfn allows the local functions to reference each other arbitrarily. In your example, f2 can call f1 but not vice versa.
On Thu, Nov 20, 2014 at 11:08 AM, Alex Baranosky < alexander.barano...@gmail.com> wrote: > letfn has no value imo. It is an unwritten stylistic rule I have to never > use it. Why introduce a new macro syntax for something that could just as > easily be written as?: > > (let [f1 (fn [] ...) > f2 (fn [] ...)] > (+ (f1) (f2))) > > > On Thu, Nov 20, 2014 at 12:41 PM, henry w <henryw...@gmail.com> wrote: > >> I never heard of letfn before. that looks like a clear way to do what i >> need. >> >> just found this stackoverflow thread which is relevant: >> http://stackoverflow.com/questions/23255798/clojure-style-defn-vs-letfn >> >> On Thu, Nov 20, 2014 at 3:34 PM, Alex Baranosky < >> alexander.barano...@gmail.com> wrote: >> >>> I'd structure my app like this. >>> >>> Say there's one "pages" ns with code for different webpages >>> >>> pages/index is a pretty short function >>> pages/dashboard is a more elaborate function and has two subcomponents: >>> ->analytics, and ->user-info >>> pages.analytics/->analytics >>> pages.user-info/->user-info >>> >>> On Thu, Nov 20, 2014 at 9:23 AM, Tassilo Horn <t...@gnu.org> wrote: >>> >>>> henry w <henryw...@gmail.com> writes: >>>> >>>> > you have understood my arguments pretty much. again the thing that >>>> > bothers me is that f and g are logically part of x only, but are >>>> > visible from y and z (even if and and y are declared higher up, the >>>> > same problem applies to their own related, private fns and x). >>>> >>>> Then declare f and g inside of x using `let' or `letfn'. >>>> >>>> Bye, >>>> Tassilo >>>> >>>> -- >>>> 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/d/optout. >>>> >>> >>> >> > -- > 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/d/optout. > -- 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/d/optout.
