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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/rfc-2632-const-trait-impl/issue-100222.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/rfc-2632-const-trait-impl/issue-100222.rs')
-rw-r--r-- | tests/ui/rfc-2632-const-trait-impl/issue-100222.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/ui/rfc-2632-const-trait-impl/issue-100222.rs b/tests/ui/rfc-2632-const-trait-impl/issue-100222.rs new file mode 100644 index 000000000..9f3f38ad4 --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/issue-100222.rs @@ -0,0 +1,39 @@ +// revisions: nn ny yn yy +// check-pass +#![feature(const_trait_impl, associated_type_defaults, const_mut_refs)] + +#[cfg_attr(any(yn, yy), const_trait)] +pub trait Index { + type Output; +} + +#[cfg_attr(any(ny, yy), const_trait)] +pub trait IndexMut where Self: Index { + const C: <Self as Index>::Output; + type Assoc = <Self as Index>::Output; + fn foo(&mut self, x: <Self as Index>::Output) -> <Self as Index>::Output; +} + +impl Index for () { type Output = (); } + +#[cfg(not(any(nn, yn)))] +impl const IndexMut for <() as Index>::Output { + const C: <Self as Index>::Output = (); + type Assoc = <Self as Index>::Output; + fn foo(&mut self, x: <Self as Index>::Output) -> <Self as Index>::Output + where <Self as Index>::Output:, + {} +} + +#[cfg(any(nn, yn))] +impl IndexMut for <() as Index>::Output { + const C: <Self as Index>::Output = (); + type Assoc = <Self as Index>::Output; + fn foo(&mut self, x: <Self as Index>::Output) -> <Self as Index>::Output + where <Self as Index>::Output:, + {} +} + +const C: <() as Index>::Output = (); + +fn main() {} |