Sorry - I've answered part of my own Q by reading the read-string doc… nothing is eval'ed of the result - just the first "object" is read.
Still unclear why read-string is used - why would a second "object" be discarded? Like: user=> (read-string "(+ 1 2) (- 3 2)") (+ 1 2) Still confused... -FS. On Sep 18, 2012, at 11:51 PM, Frank Siebenlist <frank.siebenl...@gmail.com> wrote: > I'm trying to understand the clojurescript-code of the repl functionality, > and I'm confused… > > The following cljs.repl/eval-and-print function takes a cljs-form, compiles > it, sends it to the browser as javascript, and then receives the result, and > the… try's to use "read-string" on that return value: > > --- > (defn- eval-and-print [repl-env env form] > (let [ret (evaluate-form repl-env > (assoc env :ns (ana/get-namespace ana/*cljs-ns*)) > "<cljs repl>" > form > (wrap-fn form))] > (try (prn (read-string ret)) > (catch Exception e > (if (string? ret) > (println ret) > (prn nil)))))) > --- > > Why does it call read-string on the returned result from the js-eval? > > The eval'ed compiled javascript could result in a clojure-form that would be > eval'ed on the return (???), and the result of the latter is then printed. > > Confusingly yours, FrankS. > -- 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
