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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/const-generics/issues/issue-88119.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/const-generics/issues/issue-88119.rs')
-rw-r--r-- | src/test/ui/const-generics/issues/issue-88119.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/issues/issue-88119.rs b/src/test/ui/const-generics/issues/issue-88119.rs new file mode 100644 index 000000000..70dfa7f70 --- /dev/null +++ b/src/test/ui/const-generics/issues/issue-88119.rs @@ -0,0 +1,35 @@ +// check-pass + +#![allow(incomplete_features)] +#![feature(const_trait_impl, generic_const_exprs)] + +trait ConstName { + const NAME_BYTES: &'static [u8]; +} + +impl const ConstName for u8 { + const NAME_BYTES: &'static [u8] = b"u8"; +} + +const fn name_len<T: ?Sized + ConstName>() -> usize { + T::NAME_BYTES.len() +} + +impl<T: ?Sized + ConstName> const ConstName for &T +where + [(); name_len::<T>()]:, +{ + const NAME_BYTES: &'static [u8] = b"&T"; +} + +impl<T: ?Sized + ConstName> const ConstName for &mut T +where + [(); name_len::<T>()]:, +{ + const NAME_BYTES: &'static [u8] = b"&mut T"; +} + +pub const ICE_1: &'static [u8] = <&&mut u8 as ConstName>::NAME_BYTES; +pub const ICE_2: &'static [u8] = <&mut &u8 as ConstName>::NAME_BYTES; + +fn main() {} |