Re: racket/contract warning

It is a note from the contract system to itself to help track down places
that should be improved. Please feel free to ignore it.

... Unless you want to try to fix it? I am happy to supply more of that
kind of infor if you care.

Robby

On Wednesday, March 30, 2016, Tim Brown <[email protected]> wrote:

> Robby,
>
> Maybe I’m being a bit thick, but that reply is a bit too cryptic for me
> :-/
>
> Should I be doing something?
> [Can’t see how, since I’m just running racket]
>
> Are the Racket devs being pestered to pass late-neg-projection where
> they aren’t currently?
>
> Or what?
>
> Regards,
>
> Tim
>
> On 29/03/16 13:23, Robby Findler wrote:
> > It is well known but maybe not well liked. :)
> >
> > Robby
> >
> > On Tuesday, March 29, 2016, Tim Brown <[email protected]
> <javascript:;>
> > <mailto:[email protected] <javascript:;>>> wrote:
> >
> >     Folks,
> >
> >     I have just upgraded some software to use Racket 6.4. My code sets
> >     log-max-level to debug, and then cranks up the level on the more
> >     chatty contributors.
> >
> >     In 6.4, a new warning (or collection of warnings) is thrown by the
> >     racket/contract topic.
> >
> >     Is this intentional?
> >
> >     The warning is raised by doing nothing more than just running the
> >     Racket REPL:
> >
> >     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >     $ PLTSTDERR=warning@racket/contract racket
> >     Welcome to Racket v6.4.
> >     racket/contract: no late-neg-projection passed to
> >     build-contract-property
> >       (unpack24 . #(struct:srcloc
> >     #<path:/usr/local/racket/collects/racket/contract/private/prop.rkt>
> 271
> >     0 8903 1608))
> >       (|[running body]| . #(struct:srcloc
> >     #<path:/usr/local/racket/collects/racket/contract/private/opt.rkt>
> #f #f
> >     #f #f))
> >       (|[traversing imports]| . #(struct:srcloc
> >     #<path:/usr/local/racket/collects/racket/contract/private/arr-i.rkt>
> #f
> >     #f #f #f))
> >     racket/contract: no late-neg-projection passed to
> >     build-contract-property
> >       (unpack24 . #(struct:srcloc
> >     #<path:/usr/local/racket/collects/racket/contract/private/prop.rkt>
> 271
> >     0 8903 1608))
> >       (|[running body]| . #(struct:srcloc
> >     #<path:/usr/local/racket/collects/racket/private/class-c-new.rkt> #f
> #f
> >     #f #f))
> >     racket/contract: no late-neg-projection passed to
> >     build-contract-property
> >       (unpack24 . #(struct:srcloc
> >     #<path:/usr/local/racket/collects/racket/contract/private/prop.rkt>
> 271
> >     0 8903 1608))
> >       (|[running body]| . #(struct:srcloc
> >     #<path:/usr/local/racket/collects/racket/contract/private/opt.rkt>
> #f #f
> >     #f #f))
> >     >
> >     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
> --
> Tim Brown CEng MBCS <[email protected] <javascript:;>>
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