Thank you! I have just another question not related about this topic:
;during bootstrap we don't have destructuring let, loop or fn, will
redefine later
(def
^{:macro true
:added "1.0"}
let (fn* let [&form &env & decl] (cons 'let* decl)))
In Clojure 1.2.0, the preceding definition of let taks the strange
argument of `&form' and `&env'. What are they?
On Aug 4, 3:35 am, Meikel Brandmeyer <m...@kotka.de> wrote:
> Hi,
>
> Am 03.08.2010 um 16:45 schrieb Yang Dong:
>
> > I've read the src of core.clj of Clojure 1.1.0. Originally I thought
> > the meaning of #_ is to comment the thing after it, sort of like `;'.
> > But the in the src of core.clj in 1.2.0-RC1. The definition of reduce
> > is overrided to use the internal-reduce function. The defn line, is
> > preceded by `#_'. But in 1.1.0, it's not preceded by this reader
> > macro. So, I'm confused...
>
> You are absolutely right. The #_ is kind of comment. And in fact the override
> with the internal reduce function is commented out (ie. it’s not active) in
> 1.2.
>
> Sincerely
> Meikel
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