That makes sense thank you, I have a compiler stack trace now. Here is a minimum test case that has the same stack trace, clone and run "boot test", it is the top commit on master. https://github.com/dustingetz/data-readers-cljs-bug-test-case
java.lang.ClassCastException: clojure.lang.Cons cannot be cast to clojure.lang.Named Full stack trace in gist: https://gist.github.com/dustingetz/30c5e87aaa5876f19a2eb7309b8d19ec -- Note that posts from new members are moderated - please be patient with your first post. --- You received this message because you are subscribed to the Google Groups "ClojureScript" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojurescript+unsubscr...@googlegroups.com. To post to this group, send email to clojurescript@googlegroups.com. Visit this group at https://groups.google.com/group/clojurescript.