On Thu, Sep 1, 2011 at 3:13 AM, Eli Barzilay e...@barzilay.org wrote:
8 hours ago, Sam Tobin-Hochstadt wrote:
On Wed, Aug 31, 2011 at 1:51 PM, Eli Barzilay e...@barzilay.org wrote:
An hour ago, sa...@racket-lang.org wrote:
+Modified to use `syntax-parse' and multiple macros by Sam
+Tobin-Hochstadt, 2011.
AFAICT, you're not using anything that `synatx-rules' can't do, so
what's the point?
Better error messages, hopefully.
Um, but you didn't do that:
Indeed, the error messages could be improved in lots of ways -- I just
took the reference implementation and improved it in the most obvious
ways. I had hoped that things like the following would get better
errors from `syntax-parse' automatically:
- (let-values)
- (let-values 3 4 5 6)
- (let-values (3 . 4) 3 4 5)
But they didn't, unfortunately. I don't know if Ryan will change that
ever. If there was something between `syntax-parser' and
`define-simple-macro', that would be the right tool here.
--
sam th
sa...@ccs.neu.edu
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