1 // Copyright 2017 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 // aux-build:issue_41053.rs
13 pub trait Trait { fn foo(&self) {} }
17 impl Iterator for Foo {
18 type Item = Box<Trait>;
19 fn next(&mut self) -> Option<Box<Trait>> {
20 extern crate issue_41053;
21 impl ::Trait for issue_41053::Test {
24 Some(Box::new(issue_41053::Test))
29 Foo.next().unwrap().foo();