They're all in the (ns (:require [...])), so that's fine. The problem is, a file which requires the concrete implementation won't get required by another file for a while.
On Thursday, May 9, 2013 6:00:39 PM UTC-5, Gary Trakhman wrote: > > Do you have dynamic 'require' statements? Why? Should prefer (ns (:require > [])) in non-scripts. > > As an alternative, if you want to ensure a sane state, I would suggest > starting your app from an initialization namespace that requires all the > namespaces you might want. > > > On Thu, May 9, 2013 at 5:19 PM, Steven Degutis <sbde...@gmail.com<javascript:> > > wrote: > >> In my app, sometimes a file containing a defmethod hasn't been >> required yet by the time some other function calls the multi-method. >> So naturally it throws an exception. >> >> But later, as the app continues to run, the file containing the proper >> defmethod eventually gets required by another file. Then everything >> works fine. >> >> The ugly solution is to require all possible implementations of a >> multi-method in the file that calls it. But that feels like it defeats >> the goal of polymorphism, to not have to know about concrete >> implementors of an interface. >> >> Is there a better solution to this kind of race condition? >> >> -Steven >> >> -- >> -- >> You received this message because you are subscribed to the Google >> Groups "Clojure" group. >> To post to this group, send email to clo...@googlegroups.com<javascript:> >> Note that posts from new members are moderated - please be patient with >> your first post. >> To unsubscribe from this group, send email to >> clojure+u...@googlegroups.com <javascript:> >> 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+u...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > -- -- 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/groups/opt_out.
