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When encountering a type that needs to be pinned but that is `!Unpin`, suggest using the `pin!()` macro. Fix #57994.
18 lines
735 B
Plaintext
18 lines
735 B
Plaintext
error[E0599]: no method named `poll` found for opaque type `impl Future<Output = ()>` in the current scope
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--> $DIR/issue-108572.rs:12:9
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LL | fut.poll(cx);
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| ^^^^ method not found in `impl Future<Output = ()>`
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= help: method `poll` found on `Pin<&mut impl Future<Output = ()>>`, see documentation for `std::pin::Pin`
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= help: self type must be pinned to call `Future::poll`, see https://rust-lang.github.io/async-book/04_pinning/01_chapter.html#pinning-in-practice
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help: consider pinning the expression
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LL ~ let mut pinned = std::pin::pin!(fut);
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LL ~ pinned.as_mut().poll(cx);
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0599`.
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