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Update test to show incorrecct += clone suggestion

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This commit is contained in:
Esteban Küber 2024-03-13 21:14:54 +00:00
parent a1a3abb08f
commit b83ebea5de
2 changed files with 9 additions and 2 deletions
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2
tests/ui/augmented-assignments.rs
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@ -1,5 +1,6 @@
use std::ops::AddAssign;
#[derive(Clone)]
struct Int(i32);
impl AddAssign for Int {
@ -12,6 +13,7 @@ fn main() {
let mut x = Int(1); //~ NOTE binding `x` declared here
x
//~^ NOTE borrow of `x` occurs here
//~| HELP consider cloning
+=
x;
//~^ ERROR cannot move out of `x` because it is borrowed

9
tests/ui/augmented-assignments.stderr
View File

@ -1,5 +1,5 @@
error[E0505]: cannot move out of `x` because it is borrowed
--> $DIR/augmented-assignments.rs:16:5
--> $DIR/augmented-assignments.rs:17:5
|
LL | let mut x = Int(1);
| ----- binding `x` declared here
@ -8,9 +8,14 @@ LL | x
...
LL | x;
| ^ move out of `x` occurs here
|
help: consider cloning the value if the performance cost is acceptable
|
LL | x.clone()
| ++++++++
error[E0596]: cannot borrow `y` as mutable, as it is not declared as mutable
--> $DIR/augmented-assignments.rs:23:5
--> $DIR/augmented-assignments.rs:25:5
|
LL | y
| ^ cannot borrow as mutable