]>
Commit | Line | Data |
---|---|---|
223e47cc LB |
1 | // Copyright 2012 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. | |
4 | // | |
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 | ||
1a4d82fc JJ |
11 | #![allow(unknown_features)] |
12 | #![feature(box_syntax)] | |
13 | ||
14 | trait clam<A> { | |
223e47cc LB |
15 | fn chowder(&self, y: A); |
16 | } | |
1a4d82fc | 17 | |
c34b1796 | 18 | #[derive(Copy, Clone)] |
223e47cc LB |
19 | struct foo<A> { |
20 | x: A, | |
21 | } | |
22 | ||
1a4d82fc JJ |
23 | impl<A> clam<A> for foo<A> { |
24 | fn chowder(&self, _y: A) { | |
223e47cc LB |
25 | } |
26 | } | |
27 | ||
1a4d82fc | 28 | fn foo<A>(b: A) -> foo<A> { |
223e47cc LB |
29 | foo { |
30 | x: b | |
31 | } | |
32 | } | |
33 | ||
1a4d82fc | 34 | fn f<A>(x: Box<clam<A>>, a: A) { |
223e47cc LB |
35 | x.chowder(a); |
36 | } | |
37 | ||
38 | pub fn main() { | |
39 | ||
40 | let c = foo(42); | |
c34b1796 | 41 | let d: Box<clam<isize>> = box c as Box<clam<isize>>; |
223e47cc LB |
42 | f(d, c.x); |
43 | } |