Oops, sorry again, this last problem was just a stupid mistake, pls ignore it (I guess I'm not just getting annoyed but also a bit too suspicious)
Op woensdag 27 februari 2013 23:53:46 UTC+1 schreef Joachim De Beule het volgende: > > (At the end of my previous update, I mean namespaces 1, 2 and 3 instead of > A, B and C. Sorry for that ...) > > Op woensdag 27 februari 2013 23:49:42 UTC+1 schreef Joachim De Beule het > volgende: >> >> Hi Jim, >> >> I'm sorry I can't really be more specific. I tried to duplicate the >> problems with a few simple steps, but they only seem to turn when things >> get complicates, e.g. involve different namespaces etc. I now even >> encountered a third problem which I think is related to the other two >> because it involves caching of protocol functions: >> >> - In namespace 1, I define and create a record, say R, that implements a >> protocol P as defined in namespace 2. >> - In a third namespace I call a method called "classes" of protocol P on >> record R, i.e. I evaluate "(classes R)". >> >> Clojure then complains with "IllegalArgumentException No implementation >> of method: :classes of protocol: #'sentiment.protocols/ClassifierP found >> for class: sentiment.classification.client$fn__1479 >> clojure.core/-cache-protocol-fn (core_deftype.clj:527)". >> >> - when I evaluate "(classes R)" in namespace 1 (of R), no exception is >> raised >> >> Both namespaces A and C use namespace B. >> >> >> >> Op woensdag 27 februari 2013 17:19:33 UTC+1 schreef Jim foo.bar het >> volgende: >> >>> I'm not sure I fully understand the problem but I'll do my best to >>> guess... >>> >>> 1) are you sure you're using the protocol or are you actually trying to >>> define a method in the interface that the protocol generates? Try fully >>> qualifying the name of you protocol at the extension point... >>> >>> 2)Do your protocols exist in a separate namespace? Are you reloading the >>> namespace after making changes? >>> >>> Could you provide a minimal example of the problem? I've been using >>> protocols quite heavily lately and I do remember some of these issues >>> but I can't pinpoint your exact problem... >>> >>> Jim >>> >>> ps: are you by any chance trying to create 'mixins'? If yes remember >>> that for a protocol to be fully populated , it must be extended fully >>> per individual type (quote from the JOy of Clojure) >>> >>> >>> On 27/02/13 15:48, Joachim De Beule wrote: >>> > Hi all, >>> > >>> > I'm doing interactive development with emacs+clojure-mode+nrepl and >>> > I'm experiencing some seriously annoying problems with protocols and >>> > records implementing the protocols: >>> > >>> > 1) When I redefine a protocol by adding a method to it, and then >>> > re-implement a record according in accordance to the changed protocol, >>> > clojure complains that it cannot implement a method not in the >>> > protocol/interface. >>> > >>> > 2) when I change a protocol method in an existing record (e.g. by >>> > simply adding a println statement) the changes do not have any effect. >>> > >>> > These problems persist even when I do an nrepl-restart or close emacs >>> > and restart. Any ideas? >>> > >>> > Joachim >>> > -- >>> > -- >>> > 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 >>> > 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 >>> > 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. >>> > 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.
