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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/generic_const_exprs/evaluated-to-ambig.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/generic_const_exprs/evaluated-to-ambig.rs')
-rw-r--r-- | src/test/ui/const-generics/generic_const_exprs/evaluated-to-ambig.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/generic_const_exprs/evaluated-to-ambig.rs b/src/test/ui/const-generics/generic_const_exprs/evaluated-to-ambig.rs new file mode 100644 index 000000000..340e35e1c --- /dev/null +++ b/src/test/ui/const-generics/generic_const_exprs/evaluated-to-ambig.rs @@ -0,0 +1,22 @@ +// check-pass + +// We previously always returned ambiguity when equating generic consts, even if they +// only contain generic parameters. This is incorrect as trying to unify `N > 1` with `M > 1` +// should fail. +#![allow(incomplete_features)] +#![feature(generic_const_exprs)] + +enum Assert<const COND: bool> {} +trait IsTrue {} +impl IsTrue for Assert<true> {} + +struct Foo<const N: usize, const M: usize>; +trait Bar<const N: usize, const M: usize> {} +impl<const N: usize, const M: usize> Bar<N, M> for Foo<N, M> +where + Assert<{ N > 1 }>: IsTrue, + Assert<{ M > 1 }>: IsTrue, +{ +} + +fn main() {} |