]>
Commit | Line | Data |
---|---|---|
85aaf69f SL |
1 | // Copyright 2015 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 | ||
11 | // Corrected regression test for #20831. The original did not compile. | |
12 | // When fixed, it revealed another problem concerning projections that | |
13 | // appear in associated type bindings in object types, which were not | |
14 | // being properly flagged. | |
15 | ||
c34b1796 AL |
16 | // pretty-expanded FIXME #23616 |
17 | ||
85aaf69f SL |
18 | use std::ops::{Shl, Shr}; |
19 | use std::cell::RefCell; | |
20 | ||
21 | pub trait Subscriber { | |
22 | type Input; | |
23 | ||
24 | fn dummy(&self) { } | |
25 | } | |
26 | ||
27 | pub trait Publisher<'a> { | |
28 | type Output; | |
041b39d2 | 29 | fn subscribe(&mut self, _: Box<Subscriber<Input=Self::Output> + 'a>); |
85aaf69f SL |
30 | } |
31 | ||
32 | pub trait Processor<'a> : Subscriber + Publisher<'a> { } | |
33 | ||
34 | impl<'a, P> Processor<'a> for P where P : Subscriber + Publisher<'a> { } | |
35 | ||
36 | struct MyStruct<'a> { | |
37 | sub: Box<Subscriber<Input=u64> + 'a> | |
38 | } | |
39 | ||
40 | impl<'a> Publisher<'a> for MyStruct<'a> { | |
41 | type Output = u64; | |
42 | fn subscribe(&mut self, t : Box<Subscriber<Input=u64> + 'a>) { | |
43 | self.sub = t; | |
44 | } | |
45 | } | |
46 | ||
47 | fn main() {} |