29 lines
586 B
Rust
29 lines
586 B
Rust
//@ edition: 2021
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//@ check-pass
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use std::future::Future;
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use std::task::Poll;
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#[allow(async_fn_in_trait)]
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pub trait MyTrait {
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async fn foo(&self) -> i32;
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}
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pub struct MyFuture;
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impl Future for MyFuture {
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type Output = i32;
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fn poll(self: std::pin::Pin<&mut Self>, _: &mut std::task::Context<'_>) -> Poll<Self::Output> {
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Poll::Ready(0)
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}
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}
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impl MyTrait for u32 {
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#[warn(refining_impl_trait)]
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fn foo(&self) -> MyFuture {
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//~^ WARN impl trait in impl method signature does not match trait method signature
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MyFuture
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}
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}
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fn main() {}
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