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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/rfc-2008-non-exhaustive/borrowck-non-exhaustive.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/rfc-2008-non-exhaustive/borrowck-non-exhaustive.rs')
-rw-r--r-- | src/test/ui/rfc-2008-non-exhaustive/borrowck-non-exhaustive.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2008-non-exhaustive/borrowck-non-exhaustive.rs b/src/test/ui/rfc-2008-non-exhaustive/borrowck-non-exhaustive.rs new file mode 100644 index 000000000..2ad92b794 --- /dev/null +++ b/src/test/ui/rfc-2008-non-exhaustive/borrowck-non-exhaustive.rs @@ -0,0 +1,18 @@ +// Test that the borrow checker considers `#[non_exhaustive]` when checking +// whether a match contains a discriminant read. + +// aux-build:monovariants.rs +extern crate monovariants; + +use monovariants::NonExhaustiveMonovariant; + +fn main() { + let mut x = NonExhaustiveMonovariant::Variant(1); + let y = &mut x; + match x { + //~^ ERROR cannot use `x` because it was mutably borrowed + NonExhaustiveMonovariant::Variant(_) => {}, + _ => {}, + } + drop(y); +} |