| // Copyright 2015 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. |
| |
| // Regression test for #48132. This was failing due to problems around |
| // the projection caching and dropck type enumeration. |
| |
| // run-pass |
| |
| #![feature(nll)] |
| #![allow(warnings)] |
| |
| pub struct Container<T: Iterator> { |
| value: Option<T::Item>, |
| } |
| |
| impl<T: Iterator> Container<T> { |
| pub fn new(iter: T) -> Self { |
| panic!() |
| } |
| } |
| |
| pub struct Wrapper<'a> { |
| content: &'a Content, |
| } |
| |
| impl<'a, 'de> Wrapper<'a> { |
| pub fn new(content: &'a Content) -> Self { |
| Wrapper { |
| content: content, |
| } |
| } |
| } |
| |
| pub struct Content; |
| |
| fn crash_it(content: Content) { |
| let items = vec![content]; |
| let map = items.iter().map(|ref o| Wrapper::new(o)); |
| |
| let mut map_visitor = Container::new(map); |
| |
| } |
| |
| fn main() {} |
