130b0d294a
```
error[E0596]: cannot borrow `*self.s` as mutable, as it is behind a `&` reference
--> $DIR/issue-38147-1.rs:17:9
|
LL | self.s.push('x');
| ^^^^^^ `self` is a `&` reference, so the data it refers to cannot be borrowed as mutable
|
help: consider changing this to be a mutable reference
|
LL | fn f(&mut self) {
| +++
```
Note the suggestion to add `mut` instead of replacing the entire `&self` with `&mut self`.
28 lines
415 B
Rust
28 lines
415 B
Rust
struct X(usize);
|
|
|
|
impl X {
|
|
fn zap(&self) {
|
|
//~^ HELP
|
|
//~| SUGGESTION mut
|
|
self.0 = 32;
|
|
//~^ ERROR
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let ref foo = 16;
|
|
//~^ HELP
|
|
*foo = 32;
|
|
//~^ ERROR
|
|
if let Some(ref bar) = Some(16) {
|
|
//~^ HELP
|
|
*bar = 32;
|
|
//~^ ERROR
|
|
}
|
|
match 16 {
|
|
ref quo => { *quo = 32; },
|
|
//~^ ERROR
|
|
//~| HELP
|
|
}
|
|
}
|