Rollup merge of #124599 - estebank:issue-41708, r=wesleywiser · model-checking/verify-rust-std@e5c8b85 (original) (raw)
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Commit e5c8b85
Rollup merge of rust-lang#124599 - estebank:issue-41708, r=wesleywiser
Suggest borrowing on fn argument that is `impl AsRef` When encountering a move conflict, on an expression that is `!Copy` passed as an argument to an `fn` that is `impl AsRef`, suggest borrowing the expression. ``` error[E0382]: use of moved value: `bar` --> f204.rs:14:15 | 12 | let bar = Bar; | --- move occurs because `bar` has type `Bar`, which does not implement the `Copy` trait 13 | foo(bar); | --- value moved here 14 | let baa = bar; | ^^^ value used here after move | help: borrow the value to avoid moving it | 13 | foo(&bar); | + ```Fix rust-lang#41708
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -184,6 +184,7 @@ pub trait Borrow<Borrowed: ?Sized> { | ||
| 184 | 184 | /// an underlying type by providing a mutable reference. See [`Borrow`] |
| 185 | 185 | /// for more information on borrowing as another type. |
| 186 | 186 | #[stable(feature = "rust1", since = "1.0.0")] |
| 187 | +#[rustc_diagnostic_item = "BorrowMut"] | |
| 187 | 188 | pub trait BorrowMut<Borrowed: ?Sized>: Borrow<Borrowed> { |
| 188 | 189 | /// Mutably borrows from an owned value. |
| 189 | 190 | /// |