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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:57:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:57:31 +0000 |
commit | dc0db358abe19481e475e10c32149b53370f1a1c (patch) | |
tree | ab8ce99c4b255ce46f99ef402c27916055b899ee /tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/issue-95187-same-trait-bound-different-constness.rs | |
parent | Releasing progress-linux version 1.71.1+dfsg1-2~progress7.99u1. (diff) | |
download | rustc-dc0db358abe19481e475e10c32149b53370f1a1c.tar.xz rustc-dc0db358abe19481e475e10c32149b53370f1a1c.zip |
Merging upstream version 1.72.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/issue-95187-same-trait-bound-different-constness.rs')
-rw-r--r-- | tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/issue-95187-same-trait-bound-different-constness.rs | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/issue-95187-same-trait-bound-different-constness.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/issue-95187-same-trait-bound-different-constness.rs new file mode 100644 index 000000000..51bfaf73b --- /dev/null +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/issue-95187-same-trait-bound-different-constness.rs @@ -0,0 +1,57 @@ +// Tests that `T: ~const Foo` in a specializing impl is treated as equivalent to +// `T: Foo` in the default impl for the purposes of specialization (i.e., it +// does not think that the user is attempting to specialize on trait `Foo`). + +// check-pass + +#![feature(rustc_attrs)] +#![feature(min_specialization)] +#![feature(const_trait_impl)] + +#[rustc_specialization_trait] +trait Specialize {} + +#[const_trait] +trait Foo {} + +#[const_trait] +trait Bar { + fn bar(); +} + +impl<T> Bar for T +where + T: Foo, +{ + default fn bar() {} +} + +impl<T> const Bar for T +where + T: ~const Foo, + T: Specialize, +{ + fn bar() {} +} + +#[const_trait] +trait Baz { + fn baz(); +} + +impl<T> const Baz for T +where + T: Foo, +{ + default fn baz() {} +} + +impl<T> const Baz for T +where + T: ~const Foo, + T: Specialize, +{ + fn baz() {} +} + +fn main() {} |