I’ve just found something that I expected to work, but didn’t:
#lang racket/base
(require racket/splicing (for-syntax racket/base))
(splicing-local
[(define x 1)]
(define-syntax outer-x (make-rename-transformer #'x)))
outer-x
;. outer-x: unbound identifier in module in: outer-x
This works in the current expander, but fails in the scope-set expander.
It does work for splicing-let and splicing-letrec though.
I found it because I rely on it in this macro here:
https://github.com/AlexKnauth/my-object/blob/master/my-object/stuff.rkt#L25
And Travis CI was giving me this error:
https://travis-ci.org/AlexKnauth/my-object/jobs/68248192#L209
On Jun 22, 2015, at 8:25 AM, Matthew Flatt <mfl...@cs.utah.edu> wrote:
> At Thu, 21 May 2015 07:15:14 -0600, Matthew Flatt wrote:
>> Otherwise, be prepared for me to come back in a few
>> weeks and lobby for moving to a new macro expander.
>
> Here's the proposal: let's switch on July 16. "Switch" means that I'd
> merge the new macro expander to the master branch of the development
> repository.
>
> Thanks to those who have tried the new expander and reported back!
> Meanwhile, I've expanded the write-up and filled out the formal model
> (at the same URL as before).
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