https://github.com/rust-lang/rust http://git.dreamy.place/mirrors/rust/atom?h=master 2024-01-13T22:00:34+00:00 2024-01-13T22:00:34+00:00 Michael Goulet michael@errs.io 2024-01-13T17:09:33+00:00 urn:sha1:04a6fd241bc18391b3f1f6ece1b109acd19842f1 2023-12-04T21:54:34+00:00 Esteban Küber esteban@kuber.com.ar 2023-11-21T23:41:50+00:00 urn:sha1:cc80106cb5dda2abc9ab1945639644fff219958d When encountering multiple mutable borrows, suggest cloning and adding derive annotations as needed. ``` error[E0596]: cannot borrow `sm.x` as mutable, as it is behind a `&` reference --> $DIR/accidentally-cloning-ref-borrow-error.rs:32:9 | LL | foo(&mut sm.x); | ^^^^^^^^^ `sm` is a `&` reference, so the data it refers to cannot be borrowed as mutable | help: `Str` doesn't implement `Clone`, so this call clones the reference `&Str` --> $DIR/accidentally-cloning-ref-borrow-error.rs:31:21 | LL | let mut sm = sr.clone(); | ^^^^^^^ help: consider annotating `Str` with `#[derive(Clone)]` | LL + #[derive(Clone)] LL | struct Str { | help: consider specifying this binding's type | LL | let mut sm: &mut Str = sr.clone(); | ++++++++++ ``` ``` error[E0596]: cannot borrow `*inner` as mutable, as it is behind a `&` reference --> $DIR/issue-91206.rs:14:5 | LL | inner.clear(); | ^^^^^ `inner` is a `&` reference, so the data it refers to cannot be borrowed as mutable | help: you can `clone` the `Vec<usize>` value and consume it, but this might not be your desired behavior --> $DIR/issue-91206.rs:11:17 | LL | let inner = client.get_inner_ref(); | ^^^^^^^^^^^^^^^^^^^^^^ help: consider specifying this binding's type | LL | let inner: &mut Vec<usize> = client.get_inner_ref(); | +++++++++++++++++ ``` 2023-02-03T18:53:27+00:00 Esteban Küber esteban@kuber.com.ar 2023-02-03T18:53:27+00:00 urn:sha1:da1360d981f272cc1c3aa81b1fa013fff5b2676d Partially address #45405. 2023-01-11T09:32:08+00:00 Albert Larsan 74931857+albertlarsan68@users.noreply.github.com 2023-01-05T08:13:28+00:00 urn:sha1:cf2dff2b1e3fa55fa5415d524200070d0d7aacfe