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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
commit | 246f239d9f40f633160f0c18f87a20922d4e77bb (patch) | |
tree | 5a88572663584b3d4d28e5a20e10abab1be40884 /src/test/ui/typeck/issue-100246.rs | |
parent | Releasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip |
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/typeck/issue-100246.rs')
-rw-r--r-- | src/test/ui/typeck/issue-100246.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/typeck/issue-100246.rs b/src/test/ui/typeck/issue-100246.rs new file mode 100644 index 000000000..8f0b34bab --- /dev/null +++ b/src/test/ui/typeck/issue-100246.rs @@ -0,0 +1,30 @@ +#![recursion_limit = "5"] // To reduce noise + +//expect incompatible type error when ambiguous traits are in scope +//and not an overflow error on the span in the main function. + +struct Ratio<T>(T); + +pub trait Pow { + fn pow(self) -> Self; +} + +impl<'a, T> Pow for &'a Ratio<T> +where + &'a T: Pow, +{ + fn pow(self) -> Self { + self + } +} + +fn downcast<'a, W: ?Sized>() -> std::io::Result<&'a W> { + todo!() +} + +struct Other; + +fn main() -> std::io::Result<()> { + let other: Other = downcast()?;//~ERROR 28:24: 28:35: `?` operator has incompatible types + Ok(()) +} |