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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/regions/regions-infer-contravariance-due-to-ret.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/regions/regions-infer-contravariance-due-to-ret.rs')
-rw-r--r-- | src/test/ui/regions/regions-infer-contravariance-due-to-ret.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/regions/regions-infer-contravariance-due-to-ret.rs b/src/test/ui/regions/regions-infer-contravariance-due-to-ret.rs new file mode 100644 index 000000000..fbd895015 --- /dev/null +++ b/src/test/ui/regions/regions-infer-contravariance-due-to-ret.rs @@ -0,0 +1,22 @@ +// run-pass +#![allow(non_camel_case_types)] + + +struct boxed_int<'a> { + f: &'a isize, +} + +fn max<'r>(bi: &'r boxed_int, f: &'r isize) -> isize { + if *bi.f > *f {*bi.f} else {*f} +} + +fn with(bi: &boxed_int) -> isize { + let i = 22; + max(bi, &i) +} + +pub fn main() { + let g = 21; + let foo = boxed_int { f: &g }; + assert_eq!(with(&foo), 22); +} |