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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/generic-associated-types/trait-objects.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/generic-associated-types/trait-objects.rs')
-rw-r--r--tests/ui/generic-associated-types/trait-objects.rs19
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/generic-associated-types/trait-objects.rs b/tests/ui/generic-associated-types/trait-objects.rs
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+++ b/tests/ui/generic-associated-types/trait-objects.rs
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+// revisions: base extended
+
+#![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() {}