24 lines
504 B
Rust
24 lines
504 B
Rust
// edition:2021
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// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty
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// revisions: current next
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#![feature(async_fn_in_trait)]
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//~^ WARN the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
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trait Foo {
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async fn bar();
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}
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async fn test<T: Foo>() {
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T::bar().await;
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}
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fn test2<T: Foo>() {
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assert_is_send(test::<T>());
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//~^ ERROR future cannot be sent between threads safely
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}
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fn assert_is_send(_: impl Send) {}
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fn main() {}
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