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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/async-await/pin-needed-to-poll-2.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/async-await/pin-needed-to-poll-2.rs')
-rw-r--r-- | src/test/ui/async-await/pin-needed-to-poll-2.rs | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/test/ui/async-await/pin-needed-to-poll-2.rs b/src/test/ui/async-await/pin-needed-to-poll-2.rs new file mode 100644 index 000000000..6ce70336d --- /dev/null +++ b/src/test/ui/async-await/pin-needed-to-poll-2.rs @@ -0,0 +1,48 @@ +use std::{ + future::Future, + pin::Pin, + marker::Unpin, + task::{Context, Poll}, +}; + +struct Sleep(std::marker::PhantomPinned); + +impl Future for Sleep { + type Output = (); + + fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> { + Poll::Ready(()) + } +} + +impl Drop for Sleep { + fn drop(&mut self) {} +} + +fn sleep() -> Sleep { + Sleep(std::marker::PhantomPinned) +} + + +struct MyFuture { + sleep: Sleep, +} + +impl MyFuture { + fn new() -> Self { + Self { + sleep: sleep(), + } + } +} + +impl Future for MyFuture { + type Output = (); + + fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> { + Pin::new(&mut self.sleep).poll(cx) + //~^ ERROR `PhantomPinned` cannot be unpinned + } +} + +fn main() {} |