On Tue, Mar 24, 2015 at 3:57 AM, Mike Thompson <[email protected]>
wrote:

> The Google Closure compiler does deadcode eliminate the "x" if you do it
> this way.  And it avoids the complete nightmare of getting a type hint
> added to js/goog.DEBUG through a macro (which seems impossible to me).


I just tested the approach that I suggested and verified it works the same
as it does in Clojure.

(defmacro when-debug [& body]
  `(when ~(vary-meta 'js/goog.DEBUG assoc :tag 'boolean)
     ~@body))

David

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