rust/src/test/ui/unique-object-noncopyable.rs
2018-12-25 21:08:33 -07:00

26 lines
352 B
Rust

#![feature(box_syntax)]
trait Foo {
fn f(&self);
}
struct Bar {
x: isize,
}
impl Drop for Bar {
fn drop(&mut self) {}
}
impl Foo for Bar {
fn f(&self) {
println!("hi");
}
}
fn main() {
let x = box Bar { x: 10 };
let y: Box<Foo> = x as Box<Foo>;
let _z = y.clone(); //~ ERROR no method named `clone` found
}