| // Copyright 2013 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. |
| |
| // for this issue, this code must be built in a library |
| |
| use std::mem; |
| |
| trait A { |
| fn dummy(&self) { } |
| } |
| struct B; |
| impl A for B {} |
| |
| fn bar<T>(_: &mut A, _: &T) {} |
| |
| fn foo<T>(t: &T) { |
| let mut b = B; |
| bar(&mut b as &mut A, t) |
| } |
