On Thu, Aug 13, 2009 at 5:23 PM, Aaron Cohen<remled...@gmail.com> wrote:
> On Thu, Aug 13, 2009 at 5:14 PM, Meikel Brandmeyer<m...@kotka.de> wrote:
>> Hi,
>>
>> Am 13.08.2009 um 22:30 schrieb Brian Hurt:
>>
>>> Now, I can certainly see a lot of potiential downsides to this.
>>> Redefining what #{} or #() means is just the start.
>>
>> I think, this is the reason Rich is not very positive for that idea: because
>> nobody came up with a way of defining "namespaces" for reader macros, so
>> that they don't interfere with each other.
>>
>>> But it'd make it a lot easier to do things with DSLs.
>>
>> I'm happy with macros for DSLs. Actually the macros just quasiquote their
>> arguments and pass them on to actual functions.
>>
>>> So, what are people's thoughts?
>>
>> I've yet to see the desire for a self-defined reader macro. But I'm no
>> Common Lisper (a Schemer actually). So I'm not used to reader macros. Maybe
>> I'm missing the paradise.
>>
>> I'm not necessarily opposed to the idea. But I wouldn't give it high
>> priority either.
>>
>> Sincerely
>> Meikel
>>
>>
>
> Would it make any difference if the scope of the reader macro was
> limited to the file which defines/uses it? Any file that wanted to
> use a custom reader macro would then have to add its own
> (use-reader-macro ...) statements, and there'd be no possibility for
> conflicts.
>
> Something like:
>
> (defn comment-block-begin []
> "Dispatch function for beginning of block comments")
>
> (use-reader-macro '#| comment-block-begin)
>
Oops, I see on the link given elsewhere in this thread that that was
already discussed and dismissed.
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