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 // Test references to the trait `Stream` in the bounds for associated
12 // types defined on `Stream`. Issue #20551.
19 fn car(&self) -> Self::Car;
20 fn cdr(self) -> Self::Cdr;
26 fn car(&self) -> () { () }
27 fn cdr(self) -> () { self }
30 impl<T,U> Stream for (T, U)
31 where T : Clone, U : Stream
35 fn car(&self) -> T { self.0.clone() }
36 fn cdr(self) -> U { self.1 }
40 let p = (22, (44, (66, ())));
41 assert_eq!(p.car(), 22);
44 assert_eq!(p.car(), 44);
47 assert_eq!(p.car(), 66);