The 1-argument form of a reducing function is called at the end of the reduce. So for example:
(defn mean "Transducer that returns the mean average." ([] [0 0]) ([[sum count]] (/ sum count)) ([[sum count] value] [(+ sum value) (inc count)) On Fri, 25 Jan 2019 at 22:19, Brian Craft <craft.br...@gmail.com> wrote: > The transducers doc suggests transduce works with standard reducing > functions, but then transduce makes a one-argument call to the function. > > The code docs for transduce say the reducing function must support a > one-argument call, but don't give any information about what that call > should do. > > It could be helpful to document this requirement, especially since the > examples are all written with "+", which is rather misleading since it's > not a standard reducing function with respect to its arity, and there is > this unusual requirement on the arity of the function. > > -- > 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. > -- James Reeves booleanknot.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/d/optout.
