Could you please recommend a book that's more up-to-date?

On Wednesday, October 31, 2012 11:26:48 AM UTC+8, Sean Corfield wrote:
>
> Yes, it's very unfortunate that Manning released Clojure in Action 
> without a final pass to make it Clojure 1.3 compatible. I talked to 
> them about it when they still had time to make changes but they 
> decided to go ahead and publish a book that is tightly wedded to 
> Clojure 1.2 after Clojure 1.3 had been released. I think it was a 
> disservice to both the author and the community :( 
>
> Sean 
>
> On Tue, Oct 30, 2012 at 6:36 PM, Andy Fingerhut 
> <andy.fi...@gmail.com <javascript:>> wrote: 
> > The code works as written in Clojure 1.2 and 1.2.1. 
> > 
> > It doesn't in 1.3 and later, unless you change the definition of twice 
> to 
> > annotate that it is a dynamic var, like so: 
> > 
> > (defn ^:dynamic twice [x] 
> >   (println "original function") 
> >   (* 2 x)) 
> > 
> > With that change, it works in Clojure 1.3 and later. 
> > 
> > Andy 
>

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