bjoernager/rust
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Add test for removing &mut for &mut format!().

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This commit is contained in:
Mara Bos 2021-06-02 19:06:45 +02:00
parent b4524f8bf0
commit ecebb669d5
2 changed files with 25 additions and 1 deletions
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4
src/test/ui/suggestions/format-borrow.rs
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@ -3,4 +3,8 @@ fn main() {
//~^ ERROR mismatched types
let b: String = &format!("b");
//~^ ERROR mismatched types
let c: String = &mut format!("c");
//~^ ERROR mismatched types
let d: String = &mut (format!("d"));
//~^ ERROR mismatched types
}

22
src/test/ui/suggestions/format-borrow.stderr
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@ -18,6 +18,26 @@ LL | let b: String = &format!("b");
| | help: consider removing the borrow: `format!("b")`
| expected due to this
error: aborting due to 2 previous errors
error[E0308]: mismatched types
--> $DIR/format-borrow.rs:6:21
|
LL | let c: String = &mut format!("c");
| ------ ^^^^^^^^^^^^^^^^^
| | |
| | expected struct `String`, found `&mut String`
| | help: consider removing the borrow: `format!("c")`
| expected due to this
error[E0308]: mismatched types
--> $DIR/format-borrow.rs:8:21
|
LL | let d: String = &mut (format!("d"));
| ------ ^^^^^^^^^^^^^^^^^^^
| | |
| | expected struct `String`, found `&mut String`
| | help: consider removing the borrow: `format!("d")`
| expected due to this
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0308`.