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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/structs-enums/borrow-tuple-fields.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/structs-enums/borrow-tuple-fields.rs')
-rw-r--r-- | tests/ui/structs-enums/borrow-tuple-fields.rs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/ui/structs-enums/borrow-tuple-fields.rs b/tests/ui/structs-enums/borrow-tuple-fields.rs new file mode 100644 index 000000000..b1d8f9164 --- /dev/null +++ b/tests/ui/structs-enums/borrow-tuple-fields.rs @@ -0,0 +1,38 @@ +// run-pass + +struct Foo(isize, isize); + +fn main() { + let x = (1, 2); + let a = &x.0; + let b = &x.0; + assert_eq!(*a, 1); + assert_eq!(*b, 1); + + let mut x = (1, 2); + { + let a = &x.0; + let b = &mut x.1; + *b = 5; + assert_eq!(*a, 1); + } + assert_eq!(x.0, 1); + assert_eq!(x.1, 5); + + + let x = Foo(1, 2); + let a = &x.0; + let b = &x.0; + assert_eq!(*a, 1); + assert_eq!(*b, 1); + + let mut x = Foo(1, 2); + { + let a = &x.0; + let b = &mut x.1; + *b = 5; + assert_eq!(*a, 1); + } + assert_eq!(x.0, 1); + assert_eq!(x.1, 5); +} |