Alex 

I read the preview chapters, great read so far. Looking forward to the 
whole book.

There seems to be a small error in the Value Based Dispatch section on page 
8, where the comments don't match the code. oz and lb seem to be flipped!

(defmulti convert
> "Convert quantity from unit1 to unit2, matching on [unit1 unit2]"
> (fn [unit1 unit2 quantity] [unit1 unit2]))
>
> ;; lb to oz
> (defmethod convert [:lb :oz] [_ _ oz] (* oz 16))
>
> ;; oz to lb
> (defmethod convert [:oz :lb] [_ _ lb] (/ lb 16))
>


Cheers,
Mohit

On Saturday, April 11, 2015 at 6:35:05 AM UTC+5:30, Alex Miller wrote:
>
> Great to hear!

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