Can you paste an entire repl session, starting from how you launch it (e.g. lein repl vs clj -- ideally not from a project) reproducing this? I'm interested in taking a look but I simply cannot repro :/
> On 30 Jul 2018, at 11:40, Mark Engelberg <mark.engelb...@gmail.com> wrote: > > Yes, it is in a fresh environment. > > I find that the problematic example does work in the user namespace, but it > doesn't work in my segmented namespace (ns mister-rogers.wrappers, to be > really specific). > > On Mon, Jul 30, 2018 at 3:34 AM, Nicola Mometto <brobro...@gmail.com > <mailto:brobro...@gmail.com>> wrote: > No, I just tested this on 1.9.0 and 1.8.0 and I get no reflection, as I'd > expect. > > Are you testing this in a fresh environment? > > >> On 30 Jul 2018, at 11:31, Mark Engelberg <mark.engelb...@gmail.com >> <mailto:mark.engelb...@gmail.com>> wrote: >> >> I'm using 1.9.0. Is this a behavior that recently changed? >> >> On Mon, Jul 30, 2018 at 3:28 AM, Nicola Mometto <brobro...@gmail.com >> <mailto:brobro...@gmail.com>> wrote: >> Which version of clojure? This works fine in 1.10 >> >> Clojure 1.10.0-master-SNAPSHOT >> user=> (set! *warn-on-reflection* true) >> true >> user=> (definterface Interface (test [])) >> user.Interface >> user=> (def p (proxy [Object Interface] [] (test [] 1))) >> #'user/p >> user=> (defn get-test [o] (.test ^Interface o)) >> #'user/get-test >> user=> (get-test p) >> 1 >> >> >>> On 30 Jul 2018, at 11:26, Mark Engelberg <mark.engelb...@gmail.com >>> <mailto:mark.engelb...@gmail.com>> wrote: >>> >>> Those fishy things were errors I made when simplifying and transcribing the >>> proxy to post, but I have it correct in my own code. >>> >>> Here's a more precise, tested minimal example: >>> >>> (definterface Interface (test [])) >>> (def p (proxy [Object Interface] [] (test [] 1))) >>> (defn get-test [o] (.test ^Interface o)) >>> >>> => (get-test p) >>> This throws an error that it can't cast the proxy to Interface. >>> >>> If you remove the ^Interface type hint, then get-test will work but will >>> trigger reflection. >>> >>> Thanks for looking at this. It seems like it should work, but it doesn't. >>> >>> >>> On Mon, Jul 30, 2018 at 3:06 AM, Nicola Mometto <brobro...@gmail.com >>> <mailto:brobro...@gmail.com>> wrote: >>> That's exactly what you should do and it does work, e.g.: >>> >>> user=> (set! *warn-on-reflection* true) >>> true >>> user=> (.meta ^clojure.lang.IMeta (proxy [clojure.lang.IMeta] [] (meta [] >>> {:a 1}))) >>> {:a 1} >>> >>> In your small example you have two errors that might be fishy: a missing >>> arg vector to pass to the super ctor and an extra `this` parameter in the >>> method impl (proxy, unlike reify, is anaphoric and binds `this` for you) >>> >>> >>>> On 30 Jul 2018, at 10:56, Mark Engelberg <mark.engelb...@gmail.com >>>> <mailto:mark.engelb...@gmail.com>> wrote: >>>> >>>> Let's say I have a proxy object: >>>> >>>> (def p (proxy [MyClass MyInterface] (interfaceMethod [this] ...))) >>>> >>>> Now, I want to call (.interfaceMethod p). How do I do this without >>>> reflection? >>>> I would have thought that (.interfaceMethod ^MyInterface p) would work, >>>> but this results in an error message that this proxy object cannot be cast >>>> to MyInterface. >>>> >>>> >>>> >>>> -- >>>> 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 >>>> <mailto: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 >>>> <mailto:clojure+unsubscr...@googlegroups.com> >>>> For more options, visit this group at >>>> http://groups.google.com/group/clojure?hl=en >>>> <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 >>>> <mailto:clojure+unsubscr...@googlegroups.com>. >>>> For more options, visit https://groups.google.com/d/optout >>>> <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 >>> <mailto:clojure@googlegroups.com> >>> Note that posts from new members are moderated - 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