I would guess the problem is referring to T inside the deftype. This works;
(deftype T [] Object (equals [this o] (if (instance? (class this) o) true false))) (let [t (T.)] (.equals t t)) ==> true On Wed, Nov 3, 2010 at 12:39 PM, ka <sancha...@gmail.com> wrote: > Clojure 1.2.0 > 1:1 user=> > 1:2 user=> > 1:3 user=> (deftype T [] Object (equals [this o] (if (instance? T o) > true false))) > user.T > 1:4 user=> (def t (T.)) > #'user/t > 1:5 user=> (.equals t t) > false > 1:6 user=> (deftype T [] Object (equals [this o] (if (= T (class o)) > true false))) > user.T > 1:7 user=> (def t (T.)) > #'user/t > 1:8 user=> (.equals t t) > true > 1:9 user=> > > (doc deftype) especially says: >> In the method bodies, the (unqualified) name can be used to name the class >> (for calls to new, instance? etc). > > Somebody on the IRC pointed out: >>> while compiling the deftype, T resolves to a different class object (a >>> compiler-generated stub class) which might conflict with the special >>> inlining of instance? > > Thanks > > -- -- 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
