// option. This file may not be copied, modified, or distributed
// except according to those terms.
-struct Fat<Sized? T> {
+#![allow(unknown_features)]
+#![feature(box_syntax)]
+
+struct Fat<T: ?Sized> {
f1: int,
f2: &'static str,
ptr: T
}
-#[deriving(PartialEq,Eq)]
+#[derive(Copy, PartialEq, Eq)]
struct Bar;
-impl Copy for Bar {}
-
trait ToBar {
fn to_bar(&self) -> Bar;
}