Actually it's a duplicate of ticket #270
http://www.assembla.com/spaces/clojure/tickets/270
On Thu, May 27, 2010 at 4:52 PM, Jim Menard <jim.men...@gmail.com> wrote:
> Christophe,
>
> Thank you for your research and for opening the ticket.
>
> Jim
>
> On Thu, May 27, 2010 at 9:59 AM, Christophe Grand <christo...@cgrand.net>
> wrote:
> > Hi,
> >
> > On Thu, May 27, 2010 at 3:28 PM, Jim Menard <jim.men...@gmail.com>
> wrote:
> >>
> >> I've given some functions metadata that I want to use elsewhere. My
> >> problem is, I don't see the metadata I've added if I use or require
> >> the namespace; I need to explicitly load the file (or eval the
> >> function definitions manually in slime/swank) to see the metatada.
> >> Here's some simple code that shows my problem. What am I doing wrong,
> >> or not understanding about metadata?
> >>
> >> ;;; ================ src/ctest/funcs.clj ================
> >> (ns ctest.funcs)
> >>
> >> (defn
> >> #^{:wadl {:url "/f1" :method "GET" :doc "The f1 function."}}
> >> f1 [] 42)
> >>
> >> (defn
> >> #^{:wadl {:url "/f2" :method "GET" :doc "The f2 function."}}
> >> f2 [] "eleventy-seven")
> >>
> >> ;;; ================ src/ctest/core.clj ================
> >> (ns ctest.core
> >> (:use ctest.funcs))
> >>
> >> (def wadl-meta (list (meta ctest.funcs/f1) (meta ctest.funcs/f2)))
> >
> > There is indeed a bug in how defn copy metadata from the var to the fn:
> > user=> (defn foo {:bar :baz} [] 42)
> > #'user/foo
> > user=> (meta #'foo)
> > {:ns #<Namespace user>, :name foo, :file "NO_SOURCE_PATH", :line 221,
> > :arglists ([]), :bar :baz}
> > user=> (meta foo)
> > {:ns #<Namespace user>, :name foo}
> > user=> (defn foo {:lucy :ethel} [] 43)
> > #'user/foo
> > user=> (meta #'foo)
> > {:ns #<Namespace user>, :name foo, :file "NO_SOURCE_PATH", :line 224,
> > :arglists ([]), :lucy :ethel}
> > user=> (meta foo)
> > {:ns #<Namespace user>, :name foo, :file "NO_SOURCE_PATH", :line 221,
> > :arglists ([]), :bar :baz}
> >
> > There you see that the fn got the previous metadata and not the current.
> I'm
> > going to open a ticket.
> >
> > Christophe
> >
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>
>
> --
> Jim Menard, http://www.io.com/~jimm/ <http://www.io.com/%7Ejimm/>
>
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