mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-28 03:24:11 +00:00
c1a7af0f2a
```
error[E0596]: cannot borrow `*test` as mutable, as it is behind a `&` reference
--> $DIR/suggest-mut-iterator.rs:22:9
|
LL | for test in &tests {
| ------ this iterator yields `&` references
LL | test.add(2);
| ^^^^ `test` is a `&` reference, so the data it refers to cannot be borrowed as mutable
|
help: use a mutable iterator instead
|
LL | for test in &mut tests {
| +++
```
Address #114311.
31 lines
565 B
Rust
31 lines
565 B
Rust
// run-rustfix
|
|
struct Test {
|
|
a: u32
|
|
}
|
|
|
|
impl Test {
|
|
pub fn add(&mut self, value: u32) {
|
|
self.a += value;
|
|
}
|
|
|
|
pub fn print_value(&self) {
|
|
println!("Value of a is: {}", self.a);
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let mut tests = Vec::new();
|
|
for i in 0..=10 {
|
|
tests.push(Test {a: i});
|
|
}
|
|
for test in &tests {
|
|
test.add(2); //~ ERROR cannot borrow `*test` as mutable, as it is behind a `&` reference
|
|
}
|
|
for test in &mut tests {
|
|
test.add(2);
|
|
}
|
|
for test in &tests {
|
|
test.print_value();
|
|
}
|
|
}
|