diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/borrowck/borrowck-anon-fields-struct.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/borrowck/borrowck-anon-fields-struct.rs')
-rw-r--r-- | tests/ui/borrowck/borrowck-anon-fields-struct.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/ui/borrowck/borrowck-anon-fields-struct.rs b/tests/ui/borrowck/borrowck-anon-fields-struct.rs new file mode 100644 index 000000000..a05dfe62b --- /dev/null +++ b/tests/ui/borrowck/borrowck-anon-fields-struct.rs @@ -0,0 +1,37 @@ +// Tests that we are able to distinguish when loans borrow different +// anonymous fields of a tuple vs the same anonymous field. + +struct Y(usize, usize); + +fn distinct_variant() { + let mut y = Y(1, 2); + + let a = match y { + Y(ref mut a, _) => a + }; + + let b = match y { + Y(_, ref mut b) => b + }; + + *a += 1; + *b += 1; +} + +fn same_variant() { + let mut y = Y(1, 2); + + let a = match y { + Y(ref mut a, _) => a + }; + + let b = match y { + Y(ref mut b, _) => b //~ ERROR cannot borrow + }; + + *a += 1; + *b += 1; +} + +fn main() { +} |