summaryrefslogtreecommitdiffstats
path: root/tests/ui/traits/non_lifetime_binders/supertrait-object-safety.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:20:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:20:29 +0000
commit631cd5845e8de329d0e227aaa707d7ea228b8f8f (patch)
treea1b87c8f8cad01cf18f7c5f57a08f102771ed303 /tests/ui/traits/non_lifetime_binders/supertrait-object-safety.rs
parentAdding debian version 1.69.0+dfsg1-1. (diff)
downloadrustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.tar.xz
rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.zip
Merging upstream version 1.70.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/traits/non_lifetime_binders/supertrait-object-safety.rs')
-rw-r--r--tests/ui/traits/non_lifetime_binders/supertrait-object-safety.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/traits/non_lifetime_binders/supertrait-object-safety.rs b/tests/ui/traits/non_lifetime_binders/supertrait-object-safety.rs
new file mode 100644
index 000000000..a635edb44
--- /dev/null
+++ b/tests/ui/traits/non_lifetime_binders/supertrait-object-safety.rs
@@ -0,0 +1,24 @@
+#![feature(non_lifetime_binders)]
+//~^ WARN the feature `non_lifetime_binders` is incomplete
+
+trait Foo: for<T> Bar<T> {}
+
+trait Bar<T: ?Sized> {
+ fn method(&self) {}
+}
+
+fn needs_bar(x: &(impl Bar<i32> + ?Sized)) {
+ x.method();
+}
+
+impl Foo for () {}
+
+impl<T: ?Sized> Bar<T> for () {}
+
+fn main() {
+ let x: &dyn Foo = &();
+ //~^ ERROR the trait `Foo` cannot be made into an object
+ //~| ERROR the trait `Foo` cannot be made into an object
+ needs_bar(x);
+ //~^ ERROR the trait `Foo` cannot be made into an object
+}