No, I'm looking for a copy meta routine.
The mysterious defmeta macro does this, in one call.
(defmeta a map)
(= (meta (var a)) (meta map))
On Oct 31, 4:20 pm, Mark Rathwell <mark.rathw...@gmail.com> wrote:
> def already adds metadata on the symbol as metadata on the var. Did
> you need more than this (below)?
>
> user> (def ^{:doc "foo"} x [1 2 3])
> #"user/x
>
> user> (meta (var x))
> {:ns #<Namespace user>, :name x, :doc "foo", :line 1, :file "NO_SOURCE_FILE"}
>
> user> (doc x)
> -------------------------
> user/x
> foo
> nil
>
> user> (defn ^{:doc "foo foo"} xx [] (println "hello"))
> #'user/xx
>
> user> (meta (var xx))
> {:arglists ([]), :ns #<Namespace user>, :name xx, :doc "foo foo",
> :line 1, :file "NO_SOURCE_FILE"}
>
> user> (doc xx)
> -------------------------
> user/xx
> ([])
> foo foo
> nil
>
>
>
>
>
>
>
> On Mon, Oct 31, 2011 at 4:08 PM, Sean Devlin <francoisdev...@gmail.com> wrote:
> > Okay, then I need a hand with something then. I'm trying to come up
> > with a macro that does the following:
>
> > (defmacro def-with-meta ...) -> You supply this
>
> > (def-with-meta symbol init)
>
> > (= (meta (var symbol)) (meta init)) -> True
>
> > Any suggestions folks?
>
> > Sean Devlin
>
> > On Oct 31, 2:59 pm, Mark Rathwell <mark.rathw...@gmail.com> wrote:
> >> It uses (meta (var common/basic-logger)).
>
> >> On Mon, Oct 31, 2011 at 2:28 PM, Sean Devlin <francoisdev...@gmail.com>
> >> wrote:
> >> > I'm a bit confused by what the doc macro is doing. Doesn't it simply
> >> > work of the metadata of what is passed to it?
>
> >> > I try this at the REPL:
>
> >> > user=> (doc common/basic-logger)
> >> > -------------------------
> >> > decorators.common/basic-logger
> >> > nil
> >> > nil
> >> > nil
>
> >> > For the following item:
>
> >> > user=> (meta common/basic-logger)
> >> > {:ns #<Namespace decorators.common>, :name basic-logger, :file
> >> > "decorators/common.clj", :line 13, :arglists ([f]), :doc "This is a
> >> > very basic logging decorator."}
>
> >> > Shouldn't I see something like this:
>
> >> > user=> (doc common/basic-logger)
> >> > -------------------------
> >> > decorators.common/basic-logger
> >> > ([f])
> >> > This is a very basic logging decorator.
> >> > nil
>
> >> > Any help would be great.
>
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