If you destructure the parameters like this:
(defn f [& {:as a-map}] ...)You can use map primitives on a-map. But you can also supply defaults here. On Jun 20, 2014 2:14 PM, "Dave Tenny" <dave.te...@gmail.com> wrote: > What is the commonly accepted technique for declaring/using 'supplied-p' > type lambda list functionality in clojure? > > > http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/sec_3-4-1.html > > > I have some clojure functions with a large number of keywords and various > defaults, I want to know if a keyword was specified by the caller (rather > than defaulted) in some cases. > > Certainly I could implement my own destructuring macros that did this, but > I'd like to avoid reinventing a wheel here if I can, and also to know the > idiomatic clojure way to do it. > > Thanks for any tips. > > > -- > 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.
