rust/tests/ui/borrowck/borrowck-overloaded-index-move-from-vec.rs
2023-01-11 09:32:08 +00:00

23 lines
413 B
Rust

use std::ops::Index;
struct MyVec<T> {
data: Vec<T>,
}
impl<T> Index<usize> for MyVec<T> {
type Output = T;
fn index(&self, i: usize) -> &T {
&self.data[i]
}
}
fn main() {
let v = MyVec::<Box<_>> { data: vec![Box::new(1), Box::new(2), Box::new(3)] };
let good = &v[0]; // Shouldn't fail here
let bad = v[0];
//~^ ERROR cannot move out of index of `MyVec<Box<i32>>`
}