| // Copyright 2012 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. |
| |
| // pretty-expanded FIXME #23616 |
| |
| trait Serializer { |
| } |
| |
| trait Serializable { |
| fn serialize<S:Serializer>(&self, s: S); |
| } |
| |
| impl Serializable for isize { |
| fn serialize<S:Serializer>(&self, _s: S) { } |
| } |
| |
| struct F<A> { a: A } |
| |
| impl<A:Serializable> Serializable for F<A> { |
| fn serialize<S:Serializer>(&self, s: S) { |
| self.a.serialize(s); |
| } |
| } |
| |
| impl Serializer for isize { |
| } |
| |
| pub fn main() { |
| let foo = F { a: 1 }; |
| foo.serialize(1); |
| |
| let bar = F { a: F {a: 1 } }; |
| bar.serialize(2); |
| } |