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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/nll/issue-30104.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/nll/issue-30104.rs')
-rw-r--r-- | tests/ui/nll/issue-30104.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/ui/nll/issue-30104.rs b/tests/ui/nll/issue-30104.rs new file mode 100644 index 000000000..38850cd3f --- /dev/null +++ b/tests/ui/nll/issue-30104.rs @@ -0,0 +1,40 @@ +// Regression test for #30104 + +// check-pass + +use std::ops::{Deref, DerefMut}; + +fn box_two_field(v: &mut Box<(i32, i32)>) { + let _a = &mut v.0; + let _b = &mut v.1; +} + +fn box_destructure(v: &mut Box<(i32, i32)>) { + let (ref mut _head, ref mut _tail) = **v; +} + +struct Wrap<T>(T); + +impl<T> Deref for Wrap<T> { + type Target = T; + fn deref(&self) -> &T { + &self.0 + } +} + +impl<T> DerefMut for Wrap<T> { + fn deref_mut(&mut self) -> &mut T { + &mut self.0 + } +} + +fn smart_two_field(v: &mut Wrap<(i32, i32)>) { + let _a = &mut v.0; + let _b = &mut v.1; +} + +fn smart_destructure(v: &mut Wrap<(i32, i32)>) { + let (ref mut _head, ref mut _tail) = **v; +} + +fn main() {} |