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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/traits/multidispatch-convert-ambig-dest.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-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/multidispatch-convert-ambig-dest.rs')
-rw-r--r-- | tests/ui/traits/multidispatch-convert-ambig-dest.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/traits/multidispatch-convert-ambig-dest.rs b/tests/ui/traits/multidispatch-convert-ambig-dest.rs new file mode 100644 index 000000000..aa74e11c3 --- /dev/null +++ b/tests/ui/traits/multidispatch-convert-ambig-dest.rs @@ -0,0 +1,31 @@ +// Check that we get an error in a multidisptach scenario where the +// set of impls is ambiguous. + +trait Convert<Target> { + fn convert(&self) -> Target; +} + +impl Convert<i8> for i32 { + fn convert(&self) -> i8 { + *self as i8 + } +} + +impl Convert<i16> for i32 { + fn convert(&self) -> i16 { + *self as i16 + } +} + +fn test<T,U>(_: T, _: U) +where T : Convert<U> +{ +} + +fn a() { + test(22, std::default::Default::default()); + //~^ ERROR type annotations needed + //~| ERROR type annotations needed +} + +fn main() {} |