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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/closures/2229_closure_analysis/run_pass/capture-disjoint-field-tuple-mut.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/closures/2229_closure_analysis/run_pass/capture-disjoint-field-tuple-mut.rs')
-rw-r--r-- | tests/ui/closures/2229_closure_analysis/run_pass/capture-disjoint-field-tuple-mut.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/closures/2229_closure_analysis/run_pass/capture-disjoint-field-tuple-mut.rs b/tests/ui/closures/2229_closure_analysis/run_pass/capture-disjoint-field-tuple-mut.rs new file mode 100644 index 000000000..0f79b7ae7 --- /dev/null +++ b/tests/ui/closures/2229_closure_analysis/run_pass/capture-disjoint-field-tuple-mut.rs @@ -0,0 +1,20 @@ +// edition:2021 +// run-pass + +// Test that we can mutate an element of a tuple from within a closure +// while immutably borrowing another element of the same tuple outside the closure. + +#![feature(rustc_attrs)] + +fn main() { + let mut t = (10, 10); + + let mut c = || { + let t1 = &mut t.1; + *t1 = 20; + }; + + // Test that `c` only captures t.1, therefore reading t.0 is allowed. + println!("{}", t.0); + c(); +} |