On Aug 13, 2009, at 2:30 PM, Brian Hurt wrote:
> I'm just wondering what people's response would be to allow user-
> generated reader macros. I'm not sure, but I think the only change
> to the clojure core that would be necessary in order to do this
> would be that in clojure/src/jvm/clojure/lang,
> LispReader.dispatchMacros would have to be made public. This would
> allow user code to update this array and add new macro functions.
>
> Now, I can certainly see a lot of potiential downsides to this.
> Redefining what #{} or #() means is just the start. But it'd make
> it a lot easier to do things with DSLs.
>
> So, what are people's thoughts?
Trying to use them in Common Lisp has frustrated the crap out of me.
The only library I know of that promulgates them seriously is CL-SQL
and the gymnastics you have to do to install the reader macros are
frustrating. Another library I tried to use I couldn't get to work at
all (units, I think).
In general I don't think they're worth the trouble. Reducing code
compatibility is also a problem. Perhaps with namespaces there could
be a better way to do it than CL does but I'm very wary of them. I
don't think Scheme lets you have them at all.
—
Daniel Lyons
--~--~---------~--~----~------------~-------~--~----~
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
-~----------~----~----~----~------~----~------~--~---
