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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/or-patterns.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/or-patterns.rs')
-rw-r--r-- | src/test/ui/borrowck/or-patterns.rs | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/or-patterns.rs b/src/test/ui/borrowck/or-patterns.rs new file mode 100644 index 000000000..aeab3b92e --- /dev/null +++ b/src/test/ui/borrowck/or-patterns.rs @@ -0,0 +1,62 @@ +// Test that borrow check considers all choices in an or pattern, even the +// unreachable ones. + +fn or_pattern_moves_all(x: ((String, String),)) { + match x { + ((y, _) | (_, y),) => (), + } + &x.0 .0; + //~^ ERROR borrow of moved value + &x.0 .1; + //~^ ERROR borrow of moved value +} + +fn or_pattern_borrows_all(mut x: ((String, String),)) { + let r = match x { + ((ref y, _) | (_, ref y),) => y, + }; + &mut x.0 .0; + //~^ ERROR cannot borrow + &mut x.0 .1; + //~^ ERROR cannot borrow + drop(r); +} + +fn or_pattern_borrows_all_mut(mut x: ((String, String),)) { + let r = match x { + ((ref mut y, _) | (_, ref mut y),) => y, + }; + &x.0 .0; + //~^ ERROR cannot borrow + &x.0 .1; + //~^ ERROR cannot borrow + drop(r); +} + +fn let_or_pattern_moves_all(x: ((String, String),)) { + let ((y, _) | (_, y),) = x; + &x.0 .0; + //~^ ERROR borrow of moved value + &x.0 .1; + //~^ ERROR borrow of moved value +} + +fn let_or_pattern_borrows_all(mut x: ((String, String),)) { + let ((ref r, _) | (_, ref r),) = x; + &mut x.0 .0; + //~^ ERROR cannot borrow + &mut x.0 .1; + //~^ ERROR cannot borrow + drop(r); +} + +fn let_or_pattern_borrows_all_mut(mut x: ((String, String),)) { + let ((ref mut r, _) | (_, ref mut r),) = x; + &x.0 .0; + //~^ ERROR cannot borrow + &x.0 .1; + //~^ ERROR cannot borrow + drop(r); +} + +fn main() {} |