[racket-dev] chaperones in 5.3.1?

Is it possible that one of those vectors is mutable and the other is immutable?

Robby

On Tue, Oct 23, 2012 at 7:03 PM, Danny Yoo <dyoo at hashcollision.org> wrote:
> I'm seeing the following error deep within Whalesong when I'm running
> its test suite:
>
>
> . . ../../../Library/Racket/planet/300/5.3.0.900/cache/dyoo/browser-evaluate.plt/1/0/browser-evaluate.rkt:145:0:
> prop:chaperone-contract: expected a chaperone of
> '#("#<path:/Users/dyoo/work/whalesong/tests/more-tests/js-binding.rkt>"
> 401 14 10 9), got
> '#("#<path:/Users/dyoo/work/whalesong/tests/more-tests/js-binding.rkt>"
> 401 14 10 9)
>
>
> I'm confused (as usual), because my browser-evaluate library shouldn't
> be doing anything to chaperoned values.  The error makes it appear
> that some value got incorrectly unwrapped somehow.  I'll try to trace
> this down better, but has anyone else seen this before?
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