| // 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. |
| |
| #![feature(nll)] |
| #![allow(unused_variables)] |
| |
| // Regression test for #52078: we were failing to infer a relationship |
| // between `'a` and `'b` below due to inference variables introduced |
| // during the normalization process. |
| // |
| // compile-pass |
| |
| struct Drain<'a, T: 'a> { |
| _marker: ::std::marker::PhantomData<&'a T>, |
| } |
| |
| trait Join { |
| type Value; |
| fn get(value: &mut Self::Value); |
| } |
| |
| impl<'a, T> Join for Drain<'a, T> { |
| type Value = &'a mut Option<T>; |
| |
| fn get<'b>(value: &'b mut Self::Value) { |
| } |
| } |
| |
| fn main() { |
| } |
