Ah so that was actually a bug then :) Thanks for fix!
On Thu, Oct 5, 2017 at 5:47 PM, Matthew Flatt wrote:
> I've pushed a repair for this problem. It's a bug in the current
> expander that could be triggered by a just-right combination of
> `syntax-local-lift-expression` (as used by `new`) and
I've pushed a repair for this problem. It's a bug in the current
expander that could be triggered by a just-right combination of
`syntax-local-lift-expression` (as used by `new`) and `expand` (as used
by errortrace, which is used by DrRacket).
At Sun, 1 Oct 2017 16:05:16 +0100, Laurent wrote:
> Hi
I have no explanation, but I can get a longer version of the error message.
If you change the definitions to:
#lang racket
(new object%)
(define-namespace-anchor nsa)
(define ns (namespace-anchor->namespace nsa))
And then evaluate at the REPL:
> (eval '(new object%) ns)
You get this error mes
Hi,
Does anyone know a good explanation as to why the following code works
depending on whether the apparently-useless line is commented out?
#lang racket
#;(new object%) ; uncommenting this raises an error
(define-namespace-anchor nsa)
(define ns (namespace-anchor->namespace nsa))
(eval '(new
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