1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![feature(optin_builtin_traits)]
13 auto trait Magic : Sized where Option<Self> : Magic {} //~ ERROR E0568
14 impl<T:Magic> Magic for T {}
16 fn copy<T: Magic>(x: T) -> (T, T) { (x, x) }
22 let (a, b) = copy(NoClone);
23 println!("{:?} {:?}", a, b);