summaryrefslogtreecommitdiffstats
path: root/src/test/ui/generic-associated-types/trait-objects.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/generic-associated-types/trait-objects.rs
parentInitial commit. (diff)
downloadrustc-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/generic-associated-types/trait-objects.rs')
-rw-r--r--src/test/ui/generic-associated-types/trait-objects.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/trait-objects.rs b/src/test/ui/generic-associated-types/trait-objects.rs
new file mode 100644
index 000000000..c1da1e0a3
--- /dev/null
+++ b/src/test/ui/generic-associated-types/trait-objects.rs
@@ -0,0 +1,20 @@
+// revisions: base extended
+
+#![feature(generic_associated_types)]
+#![cfg_attr(extended, feature(generic_associated_types_extended))]
+#![cfg_attr(extended, allow(incomplete_features))]
+
+trait StreamingIterator {
+ type Item<'a> where Self: 'a;
+ fn size_hint(&self) -> (usize, Option<usize>);
+ // Uncommenting makes `StreamingIterator` not object safe
+// fn next(&mut self) -> Self::Item<'_>;
+}
+
+fn min_size(x: &mut dyn for<'a> StreamingIterator<Item<'a> = &'a i32>) -> usize {
+ //[base]~^ the trait `StreamingIterator` cannot be made into an object
+ x.size_hint().0
+ //[extended]~^ borrowed data escapes
+}
+
+fn main() {}