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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/traits/multidispatch-convert-ambig-dest.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/traits/multidispatch-convert-ambig-dest.rs')
-rw-r--r-- | src/test/ui/traits/multidispatch-convert-ambig-dest.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/traits/multidispatch-convert-ambig-dest.rs b/src/test/ui/traits/multidispatch-convert-ambig-dest.rs new file mode 100644 index 000000000..aa74e11c3 --- /dev/null +++ b/src/test/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() {} |