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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:59:35 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:59:35 +0000
commitd1b2d29528b7794b41e66fc2136e395a02f8529b (patch)
treea4a17504b260206dec3cf55b2dca82929a348ac2 /tests/ui/impl-trait/opaque-cast-field-access-in-future.rs
parentReleasing progress-linux version 1.72.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-d1b2d29528b7794b41e66fc2136e395a02f8529b.tar.xz
rustc-d1b2d29528b7794b41e66fc2136e395a02f8529b.zip
Merging upstream version 1.73.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/impl-trait/opaque-cast-field-access-in-future.rs')
-rw-r--r--tests/ui/impl-trait/opaque-cast-field-access-in-future.rs27
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/opaque-cast-field-access-in-future.rs b/tests/ui/impl-trait/opaque-cast-field-access-in-future.rs
new file mode 100644
index 000000000..3e3bc09a6
--- /dev/null
+++ b/tests/ui/impl-trait/opaque-cast-field-access-in-future.rs
@@ -0,0 +1,27 @@
+// edition: 2021
+
+use std::future::Future;
+
+async fn bop() {
+ fold(run(), |mut foo| async move {
+ &mut foo.bar;
+ })
+}
+
+fn fold<Fut, F, U>(_: Foo<U>, f: F)
+where
+ F: FnMut(Foo<U>) -> Fut,
+{
+ loop {}
+}
+
+struct Foo<F> {
+ bar: Vec<F>,
+}
+
+fn run() -> Foo<impl Future<Output = ()>> {
+ //~^ ERROR type annotations needed
+ loop {}
+}
+
+fn main() {}