On Wed, Mar 21, 2012 at 1:12 AM, Evan Mezeske <emeze...@gmail.com> wrote:
> Hi,
>
> I'm working on some tools for making it easier to share generic Clojure code
> between Clojure and ClojureScript, and one problem that does not seem to
> have a pretty solution is that of requiring macros. Clojure uses a regular
> (:require ...) whereas ClojureScript needs a (:require-macros ...). I
> understand that the distinction is necessary for ClojureScript because
> macros are written in Clojure.
>
> This difference in the (ns ...) form is troublesome when trying to share
> code between the two languages. Right now, the only solution is to
> copy+edit the shared file (possibly with an automated tool) so that it has
> :require and :require-macros as appropriate. This is not very pretty.
>
> So that gets me to wondering, has anyone brought up the idea of using
> metadata to identify macro namespaces? So instead of using :require-macros,
> :require would be used, but each namespace identifier would be inspected to
> see if it had ^{:macros true}.
>
>
> ; The existing way to require macros from ClojureScript:
>
> (ns example.shared
> (:require-macros
> [example.macros :as macros])
> (:require
> [example.other :as other]))
>
>
>
> (ns example.shared
> (:require
> ^:macros [example.macros :as macros]
> [example.other :as other]))
That might be one way to do it. The other obvious one is to implement
:require-macros in Clojure's ns macro, as a synonym for require, and
make sure require(-macros) is idempotent.
--
You received this message because you are subscribed to the Google
Groups "Clojure" group.
To post to this group, send email to clojure@googlegroups.com
Note that posts from new members are moderated - please be patient with your
first post.
To unsubscribe from this group, send email to
clojure+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/clojure?hl=en
