Sam, thanks To be clear, this crash happened DURING a dynamic-require and judging by the stack trace looked to be part of the dynamic-require machinery (and this seems to depend on the installation name).
I actually wasn't depending on anything but racket/base, so i don't believe anything i was using was causing a separate dependency on promise. Nate On Mon, Jul 13, 2020 at 9:32 AM Sam Tobin-Hochstadt <[email protected]> wrote: > My guess, not having looked further than your email, is that when you > don't include racket/promise, something is supplying a promise to something > else but there are two different instantiations of the promise library, > causing the force call from one not to recognize the promise from the > other. Then force just becomes the identity function, and passes through a > promise to somewhere that isn't expecting one. > > Is it possible that some library you're using features promises? > Alternatively, it might be that the embedding code needs an explicit > dependency on promises. > > Sam > > On Mon, Jul 13, 2020, 10:18 AM Nate Griswold <[email protected]> > wrote: > >> Hello. >> >> I noticed something and was wondering what the list thinks: >> >> I am using an embedded racket Ics) and i noticed that if i embed a file >> and don't include any libraries (for a very bare bones c file) i have >> problems with a crash on a promise on any dynamic-require: >> >> build-path: contract violation >> expected: (or/c path-string? path-for-some-system? 'up 'same) >> given: #<promise:config:installation-name> >> >> but if i do a (require racket/promise) in my rkt argument to --c-mods OR >> if i do a ++lib racket/promise i get no crash. >> >> So is this expected behavior? Should racket/promise always be included or >> no? And what exactly is going on under the hood here? >> >> Nate >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Racket Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/racket-users/CAM-xLPpg_0Ef8ByjS01Y1pKEeeFMVkFk3dvGcdpRaYo3ZqDb9A%40mail.gmail.com >> <https://groups.google.com/d/msgid/racket-users/CAM-xLPpg_0Ef8ByjS01Y1pKEeeFMVkFk3dvGcdpRaYo3ZqDb9A%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/CAM-xLPpaOSxvPEDYzmkAXdFg%2BLTMAH1mw57kJt7%3DCe6ipXmXDw%40mail.gmail.com.
