38 lines
800 B
Rust
38 lines
800 B
Rust
// Test for diagnostic improvement issue #76547
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// edition:2018
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use std::{
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future::Future,
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task::{Context, Poll}
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};
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use std::pin::Pin;
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pub struct ListFut<'a>(&'a mut [&'a mut [u8]]);
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impl<'a> Future for ListFut<'a> {
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type Output = ();
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fn poll(self: Pin<&mut Self>, _cx: &mut Context) -> Poll<Self::Output> {
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unimplemented!()
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}
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}
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async fn fut(bufs: &mut [&mut [u8]]) {
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ListFut(bufs).await
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//~^ ERROR lifetime mismatch
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}
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pub struct ListFut2<'a>(&'a mut [&'a mut [u8]]);
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impl<'a> Future for ListFut2<'a> {
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type Output = i32;
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fn poll(self: Pin<&mut Self>, _cx: &mut Context) -> Poll<Self::Output> {
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unimplemented!()
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}
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}
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async fn fut2(bufs: &mut [&mut [u8]]) -> i32 {
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ListFut2(bufs).await
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//~^ ERROR lifetime mismatch
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}
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fn main() {}
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