mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
27 lines
462 B
Rust
27 lines
462 B
Rust
use std::ops::Deref;
|
|
|
|
struct DerefTarget {
|
|
target_field: bool,
|
|
}
|
|
struct Container {
|
|
target: DerefTarget,
|
|
container_field: bool,
|
|
}
|
|
|
|
impl Deref for Container {
|
|
type Target = DerefTarget;
|
|
fn deref(&self) -> &Self::Target {
|
|
&self.target
|
|
}
|
|
}
|
|
|
|
impl Container {
|
|
fn bad_borrow(&mut self) {
|
|
let first = &Deref::deref(self).target_field;
|
|
self.container_field = true; //~ ERROR E0506
|
|
first;
|
|
}
|
|
}
|
|
|
|
fn main() {}
|