The multimethods print-method and print-dup handle this. - James
On 13 July 2014 18:51, Sam Raker <sam.ra...@gmail.com> wrote: > I'm working my way through an intro to Clojure book, and I just got to the > section on protocols. I might be missing something/committing a category > error, but I'm wondering if there's a way to change the way a protocol is > represented in the repl, akin to redefining `__repr__`/`__str__` in Python. > The example protocol in the book involves a matrix (i.e., a vector of > vectors). I can do this > > (extend-protocol Matrix > clojure.lang.IPersistentVector > ... > (pprint [vov] (clojure.pprint/pprint vov))) > > > which works fine when I call (pprint m) on a Matrix m: > > (pprint m) > ; [[0 0 0] > [0 0 0] > [0 0 0]] > > What I'd like is to just have the same behavior "calling" the variable > from the repl, i.e. > > m > ; [[0 0 0] > [0 0 0] > [0 0 0]] > > > Can/should this be done? Is this a job for macros? Am I just being > lazy/un-Clojuric and just get over it and use (pprint m)? > > -- > 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.
