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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/coherence/coherence-blanket-conflicts-with-blanket-unimplemented.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/coherence/coherence-blanket-conflicts-with-blanket-unimplemented.rs')
-rw-r--r-- | tests/ui/coherence/coherence-blanket-conflicts-with-blanket-unimplemented.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/coherence/coherence-blanket-conflicts-with-blanket-unimplemented.rs b/tests/ui/coherence/coherence-blanket-conflicts-with-blanket-unimplemented.rs new file mode 100644 index 000000000..950a08ff2 --- /dev/null +++ b/tests/ui/coherence/coherence-blanket-conflicts-with-blanket-unimplemented.rs @@ -0,0 +1,25 @@ +use std::fmt::Debug; +use std::default::Default; + +// Test that two blanket impls conflict (at least without negative +// bounds). After all, some other crate could implement Even or Odd +// for the same type (though this crate doesn't implement them at all). + +trait MyTrait { + fn get(&self) -> usize; +} + +trait Even {} + +trait Odd {} + +impl<T:Even> MyTrait for T { + fn get(&self) -> usize { 0 } +} + +impl<T:Odd> MyTrait for T { +//~^ ERROR E0119 + fn get(&self) -> usize { 0 } +} + +fn main() { } |