| // Copyright 2017 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. |
| |
| // compile-pass |
| #![allow(dead_code)] |
| struct Foo<T>(T); |
| |
| struct IntoIter<T>(T); |
| |
| impl<'a, T: 'a> Iterator for IntoIter<T> { |
| type Item = (); |
| |
| fn next(&mut self) -> Option<()> { |
| None |
| } |
| } |
| |
| impl<T> IntoIterator for Foo<T> { |
| type Item = (); |
| type IntoIter = IntoIter<T>; |
| |
| fn into_iter(self) -> IntoIter<T> { |
| IntoIter(self.0) |
| } |
| } |
| |
| fn main() {} |
