Fix metadata on functions.

- Don't use metadata to store ast, env, params data.
- In Clojure, store metadata on the :meta key of the real metadata.
  This also allows using any datatype as metadata.

1 files changed, 6 insertions, 5 deletions

diff --git a/clojure/src/step9_interop.clj b/clojure/src/step9_interop.clj
index da37574..2fae3ca 100644
--- a/clojure/src/step9_interop.clj
+++ b/clojure/src/step9_interop.clj
@@ -110,11 +110,12 @@
                   (recur a2 env)))
       
               'fn*
-              ^{:expression a2
-                :environment env
-                :parameters a1}
-              (fn [& args]
-                (EVAL a2 (env/env env a1 args)))
+              (with-meta
+                (fn [& args]
+                  (EVAL a2 (env/env env a1 args)))
+                {:expression a2
+                 :environment env
+                 :parameters a1})
       
               ;; apply
               (let [el (eval-ast ast env)