1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// Test for diagnostic improvement issue #76547
//@ edition:2018
use std::{
future::Future,
task::{Context, Poll}
};
use std::pin::Pin;
pub struct ListFut<'a>(&'a mut [&'a mut [u8]]);
impl<'a> Future for ListFut<'a> {
type Output = ();
fn poll(self: Pin<&mut Self>, _cx: &mut Context) -> Poll<Self::Output> {
unimplemented!()
}
}
async fn fut(bufs: &mut [&mut [u8]]) {
ListFut(bufs).await
//~^ ERROR lifetime may not live long enough
}
pub struct ListFut2<'a>(&'a mut [&'a mut [u8]]);
impl<'a> Future for ListFut2<'a> {
type Output = i32;
fn poll(self: Pin<&mut Self>, _cx: &mut Context) -> Poll<Self::Output> {
unimplemented!()
}
}
async fn fut2(bufs: &mut [&mut [u8]]) -> i32 {
ListFut2(bufs).await
//~^ ERROR lifetime may not live long enough
}
fn main() {}
|
