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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/typeck/assign-non-lval-mut-ref.stderr
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-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/typeck/assign-non-lval-mut-ref.stderr')
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+error[E0070]: invalid left-hand side of assignment
+ --> $DIR/assign-non-lval-mut-ref.rs:5:27
+ |
+LL | x.last_mut().unwrap() = 2;
+ | --------------------- ^
+ | |
+ | cannot assign to this expression
+ |
+help: consider dereferencing here to assign to the mutably borrowed value
+ |
+LL | *x.last_mut().unwrap() = 2;
+ | +
+
+error[E0368]: binary assignment operation `+=` cannot be applied to type `&mut usize`
+ --> $DIR/assign-non-lval-mut-ref.rs:7:5
+ |
+LL | x.last_mut().unwrap() += 1;
+ | ---------------------^^^^^
+ | |
+ | cannot use `+=` on type `&mut usize`
+ |
+help: `+=` can be used on `usize` if you dereference the left-hand side
+ |
+LL | *x.last_mut().unwrap() += 1;
+ | +
+
+error[E0308]: mismatched types
+ --> $DIR/assign-non-lval-mut-ref.rs:11:9
+ |
+LL | let y = x.last_mut().unwrap();
+ | --------------------- expected due to this value
+LL | y = 2;
+ | ^ expected `&mut usize`, found integer
+ |
+help: consider dereferencing here to assign to the mutably borrowed value
+ |
+LL | *y = 2;
+ | +
+
+error[E0368]: binary assignment operation `+=` cannot be applied to type `&mut usize`
+ --> $DIR/assign-non-lval-mut-ref.rs:13:5
+ |
+LL | y += 1;
+ | -^^^^^
+ | |
+ | cannot use `+=` on type `&mut usize`
+ |
+help: `+=` can be used on `usize` if you dereference the left-hand side
+ |
+LL | *y += 1;
+ | +
+
+error: aborting due to 4 previous errors
+
+Some errors have detailed explanations: E0070, E0308, E0368.
+For more information about an error, try `rustc --explain E0070`.