This needs a design page on Confluence. Anything under discussion should
probably address the new :refer.
David
On Thu, Mar 22, 2012 at 10:37 PM, Evan Mezeske <emeze...@gmail.com> wrote:
> Oops, I accidentally posted this before I finished typing it. I guess
> most of what I was trying to convey made it through.
>
> The second ns form I posted is my suggested approach. It requires no
> modifications to the Clojure language, and would be pretty simple to
> implement in the ClojureScript compiler. I'd be more than happy to
> implement such support if people thought it was desirable.
>
> -Evan
>
>
> On Tuesday, March 20, 2012 10:12:43 PM UTC-7, Evan Mezeske 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]))
>>
>> --
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