Actually with-meta's definition does not refer to with-meta. Rather,
it calls withMeta, a method in the clojure.lang.IObj interface which
the first argument to with-meta is supposed to implement.
Cheers,
Michał
On 21 September 2013 09:01, <ljcppu...@gmail.com> wrote:
> Hi,
> I read the source about with-meta, and find def with-meta using with-meta,
> can it? someone give a explain?
>
> user=> (source with-meta)
> (def
> ^{:arglists '([^clojure.lang.IObj obj m])
> :doc "Returns an object of the same type and value as obj, with
> map m as its metadata."
> :added "1.0"
> :static true}
> with-meta (fn ^:static with-meta [^clojure.lang.IObj x m]
> (. x (withMeta m))))
>
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