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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/async-await/pin-needed-to-poll-2.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/async-await/pin-needed-to-poll-2.rs')
-rw-r--r--tests/ui/async-await/pin-needed-to-poll-2.rs48
1 files changed, 48 insertions, 0 deletions
diff --git a/tests/ui/async-await/pin-needed-to-poll-2.rs b/tests/ui/async-await/pin-needed-to-poll-2.rs
new file mode 100644
index 000000000..6ce70336d
--- /dev/null
+++ b/tests/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() {}