mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 22:41:50 +00:00
20 lines
393 B
Rust
20 lines
393 B
Rust
pub trait Mirror<Smoke> {
|
|
type Image;
|
|
}
|
|
|
|
impl<T, Smoke> Mirror<Smoke> for T {
|
|
type Image = T;
|
|
}
|
|
|
|
pub fn poison<S>(victim: String) where <String as Mirror<S>>::Image: Copy {
|
|
loop { drop(victim); }
|
|
}
|
|
|
|
fn main() {
|
|
let s = "Hello!".to_owned();
|
|
let mut s_copy = s;
|
|
s_copy.push_str("World!");
|
|
"0wned!".to_owned();
|
|
println!("{}", s); //~ ERROR borrow of moved value
|
|
}
|