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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/issues/issue-29037.rs | |
parent | Initial commit. (diff) | |
download | rustc-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/issues/issue-29037.rs')
-rw-r--r-- | src/test/ui/issues/issue-29037.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-29037.rs b/src/test/ui/issues/issue-29037.rs new file mode 100644 index 000000000..155ed144b --- /dev/null +++ b/src/test/ui/issues/issue-29037.rs @@ -0,0 +1,24 @@ +// check-pass +#![allow(dead_code)] +// This test ensures that each pointer type `P<X>` is covariant in `X`. + +use std::rc::Rc; +use std::sync::Arc; + +fn a<'r>(x: Box<&'static str>) -> Box<&'r str> { + x +} + +fn b<'r, 'w>(x: &'w &'static str) -> &'w &'r str { + x +} + +fn c<'r>(x: Arc<&'static str>) -> Arc<&'r str> { + x +} + +fn d<'r>(x: Rc<&'static str>) -> Rc<&'r str> { + x +} + +fn main() {} |