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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-lend-flow-match.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-lend-flow-match.rs')
-rw-r--r-- | src/test/ui/borrowck/borrowck-lend-flow-match.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-lend-flow-match.rs b/src/test/ui/borrowck/borrowck-lend-flow-match.rs new file mode 100644 index 000000000..9737bc769 --- /dev/null +++ b/src/test/ui/borrowck/borrowck-lend-flow-match.rs @@ -0,0 +1,18 @@ +fn separate_arms() { + // Here both arms perform assignments, but only one is illegal. + + let mut x = None; + match x { + None => { + // It is ok to reassign x here, because there is in + // fact no outstanding loan of x! + x = Some(0); + } + Some(ref r) => { + x = Some(1); //~ ERROR cannot assign to `x` because it is borrowed + drop(r); + } + } +} + +fn main() {} |