mirror of https://github.com/rust-lang/rust
30 lines
535 B
Rust
30 lines
535 B
Rust
//@ edition:2021
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trait SendFuture: Send {
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type Output;
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}
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impl<Fut: Send> SendFuture for Fut {
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type Output = ();
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}
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async fn broken_fut() {
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ident_error;
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//~^ ERROR cannot find value `ident_error` in this scope
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}
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// triggers normalization of `<Fut as SendFuture>::Output`,
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// which requires `Fut: Send`.
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fn normalize<Fut: SendFuture>(_: Fut, _: Fut::Output) {}
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async fn iceice<A, B>()
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// <- async fn is necessary
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where
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A: Send,
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B: Send, // <- a second bound
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{
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normalize(broken_fut(), ());
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}
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fn main() {}
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