Never mind. I think I needed to make this a macro instead of a
function like this:
(defmacro get-output [fn]
`(let [sw# (StringWriter.)]
(binding [*out* sw#] ~fn)
(.toString sw#)))
On Mar 22, 9:34 am, Mark Volkmann <r.mark.volkm...@gmail.com> wrote:
> I can't figure out why this function seems to work, but also produces
> a NullPointerException.
>
> (defn get-output [fn]
> (let [sw (StringWriter.)]
> (binding [*out* sw] (fn))
> (.toString sw)))
>
> (get-output (println "foo"))
--~--~---------~--~----~------------~-------~--~----~
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
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
-~----------~----~----~----~------~----~------~--~---
