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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/default-method/rustc_must_implement_one_of.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 '')
-rw-r--r-- | src/test/ui/traits/default-method/rustc_must_implement_one_of.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/traits/default-method/rustc_must_implement_one_of.rs b/src/test/ui/traits/default-method/rustc_must_implement_one_of.rs new file mode 100644 index 000000000..5ba2f5ce3 --- /dev/null +++ b/src/test/ui/traits/default-method/rustc_must_implement_one_of.rs @@ -0,0 +1,44 @@ +#![feature(rustc_attrs)] + +#[rustc_must_implement_one_of(eq, neq)] +trait Equal { + fn eq(&self, other: &Self) -> bool { + !self.neq(other) + } + + fn neq(&self, other: &Self) -> bool { + !self.eq(other) + } +} + +struct T0; +struct T1; +struct T2; +struct T3; + +impl Equal for T0 { + fn eq(&self, _other: &Self) -> bool { + true + } +} + +impl Equal for T1 { + fn neq(&self, _other: &Self) -> bool { + false + } +} + +impl Equal for T2 { + fn eq(&self, _other: &Self) -> bool { + true + } + + fn neq(&self, _other: &Self) -> bool { + false + } +} + +impl Equal for T3 {} +//~^ not all trait items implemented, missing one of: `eq`, `neq` + +fn main() {} |