Waffle Maybe

So, it seems like in the ~1000 commits since I've made this branch llvm was updated bringing opaque pointers with it 😄 > cc @nikic, actually -- should it be...

> do we need lang-team signoff before adding this? I don't know, maybe 😄

@Aaron1011 why libs team approval is needed? This PR doesn't change any library APIs after all. Quoting `@scottmcm` on [zulip](https://rust-lang.zulipchat.com/#narrow/stream/219381-t-libs/topic/Request.20for.20review.20.28.3F.29/near/292186028): > Looks like it doesn't change anything in library at...

So, I've tried to fix this, but got stuck fairly quickly. > This already exists for free functions; not sure why it's broken above. The reason is that handling of...

> I'm also now suspecting that Rust it doing this not just for vtables, but for all traits for which a type implementing them is even mentioned... I don't see...

(CI fails because examples depend on rust-lang/rust#93082)

This is related to the yank of `0.1.*` crate versions of [`rustc_version`](https://docs.rs/rustc_version/0.3.3/rustc_version/). This can be fixed by updating deps, like in [this PR](https://github.com/DanielKeep/cargo-script/pull/80).

@redoxeon Have you done some progress implementing this yet? Can I try to implement this feature? Also, @amaurymartiny , do I understand you right, that all API that accepts params...

I think I've encountered this issue. I also want to highlight that the task that has completed (I've `.await`ed the `JoinHandle`) and that "has lost its waker" according to `tokio-console`...

I wonder if we should change `endpoint` such that it does not stop the execution, people seem to have problems with it. Other than that I think we should try...