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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/specialization/min_specialization/specialization_trait.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/specialization/min_specialization/specialization_trait.rs')
-rw-r--r-- | src/test/ui/specialization/min_specialization/specialization_trait.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/specialization/min_specialization/specialization_trait.rs b/src/test/ui/specialization/min_specialization/specialization_trait.rs new file mode 100644 index 000000000..d597278d2 --- /dev/null +++ b/src/test/ui/specialization/min_specialization/specialization_trait.rs @@ -0,0 +1,26 @@ +// Test that `rustc_specialization_trait` requires always applicable impls. + +#![feature(min_specialization)] +#![feature(rustc_attrs)] + +#[rustc_specialization_trait] +trait SpecMarker { + fn f(); +} + +impl SpecMarker for &'static u8 { + //~^ ERROR cannot specialize + fn f() {} +} + +impl<T> SpecMarker for (T, T) { + //~^ ERROR specializing impl + fn f() {} +} + +impl<T: Clone> SpecMarker for [T] { + //~^ ERROR cannot specialize + fn f() {} +} + +fn main() {} |