2009/2/26 Konrad Hinsen <konrad.hin...@laposte.net> > > On 26.02.2009, at 01:51, Rich Hickey wrote: > > > You raise interesting issues and I'd like to explore them further. I'm > > not sure the issues you have with type-tag-or-class dispatch are all > > that prohibitive. In any case, I've added a type function that returns > > the :type metadata or the class if none: > > Thanks, that helps a lot! With a built-in universal dispatching > function, most of my problems should be solved. Another useful > function to have would be > > (defn type-instance? > "Evaluates x and tests if it is an instance of the type or class t. > Returns true or false" > [t x] > (identical? t (type x))) > > for type-based dispatching inside a function.
or maybe generalize the existing 'instance? function to the above definition ? --~--~---------~--~----~------------~-------~--~----~ 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 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 -~----------~----~----~----~------~----~------~--~---
