| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // Check that a trait with by-value self is considered object-safe. |
| |
| // compile-pass |
| #![allow(dead_code)] |
| #![allow(trivial_casts)] |
| |
| trait Bar { |
| fn bar(self); |
| } |
| |
| trait Baz { |
| fn baz(self: Self); |
| } |
| |
| trait Quux { |
| // Legal because of the where clause: |
| fn baz(self: Self) where Self : Sized; |
| } |
| |
| fn make_bar<T:Bar>(t: &T) -> &Bar { |
| t // legal |
| } |
| |
| fn make_bar_explicit<T:Bar>(t: &T) -> &Bar { |
| t as &Bar // legal |
| } |
| |
| fn make_baz<T:Baz>(t: &T) -> &Baz { |
| t // legal |
| } |
| |
| fn make_baz_explicit<T:Baz>(t: &T) -> &Baz { |
| t as &Baz // legal |
| } |
| |
| fn make_quux<T:Quux>(t: &T) -> &Quux { |
| t |
| } |
| |
| fn make_quux_explicit<T:Quux>(t: &T) -> &Quux { |
| t as &Quux |
| } |
| |
| |
| fn main() { |
| } |