1 // Copyright 2017 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.
10 #![feature(arbitrary_self_types)]
15 fn foo(self: Rc<Self>) -> usize;
19 fn foo(self: Rc<Self>) -> usize where Self: Sized;
20 fn bar(self: Box<Self>) -> usize;
24 fn foo(self: Rc<Self>) -> usize {
30 fn foo(self: Rc<Self>) -> usize {
34 fn bar(self: Box<Self>) -> usize {
40 let x = Box::new(5usize) as Box<Foo>;
46 let x = Box::new(5usize) as Box<Bar>;