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, <[email protected]> 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)))) > > -- > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to [email protected] > Note that posts from new members are moderated - please be patient with your > first post. > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to [email protected] Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
