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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/traits/safety-ok.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/traits/safety-ok.rs')
-rw-r--r--tests/ui/traits/safety-ok.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/traits/safety-ok.rs b/tests/ui/traits/safety-ok.rs
new file mode 100644
index 000000000..d456a78b6
--- /dev/null
+++ b/tests/ui/traits/safety-ok.rs
@@ -0,0 +1,18 @@
+// run-pass
+// Simple smoke test that unsafe traits can be compiled etc.
+
+
+unsafe trait Foo {
+ fn foo(&self) -> isize;
+}
+
+unsafe impl Foo for isize {
+ fn foo(&self) -> isize { *self }
+}
+
+fn take_foo<F:Foo>(f: &F) -> isize { f.foo() }
+
+fn main() {
+ let x: isize = 22;
+ assert_eq!(22, take_foo(&x));
+}