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.
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.
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.
16 // pretty-expanded FIXME #23616
18 use std::ops::{Shl, Shr};
19 use std::cell::RefCell;
21 pub trait Subscriber {
27 pub trait Publisher<'a> {
29 fn subscribe(&mut self, Box<Subscriber<Input=Self::Output> + 'a>);
32 pub trait Processor<'a> : Subscriber + Publisher<'a> { }
34 impl<'a, P> Processor<'a> for P where P : Subscriber + Publisher<'a> { }
37 sub: Box<Subscriber<Input=u64> + 'a>
40 impl<'a> Publisher<'a> for MyStruct<'a> {
42 fn subscribe(&mut self, t : Box<Subscriber<Input=u64> + 'a>) {