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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/borrowck/borrowck-pat-reassign-binding.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/borrowck/borrowck-pat-reassign-binding.rs')
-rw-r--r-- | src/test/ui/borrowck/borrowck-pat-reassign-binding.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-pat-reassign-binding.rs b/src/test/ui/borrowck/borrowck-pat-reassign-binding.rs new file mode 100644 index 000000000..f02c46fb8 --- /dev/null +++ b/src/test/ui/borrowck/borrowck-pat-reassign-binding.rs @@ -0,0 +1,15 @@ +fn main() { + let mut x: Option<isize> = None; + match x { + None => { + // Note: on this branch, no borrow has occurred. + x = Some(0); + } + Some(ref i) => { + // But on this branch, `i` is an outstanding borrow + x = Some(*i+1); //~ ERROR cannot assign to `x` because it is borrowed + drop(i); + } + } + x.clone(); // just to prevent liveness warnings +} |