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.
12 #![allow(unused_variables)]
14 // Regression test for #52078: we were failing to infer a relationship
15 // between `'a` and `'b` below due to inference variables introduced
16 // during the normalization process.
20 struct Drain<'a, T: 'a> {
21 _marker: ::std::marker::PhantomData<&'a T>,
26 fn get(value: &mut Self::Value);
29 impl<'a, T> Join for Drain<'a, T> {
30 type Value = &'a mut Option<T>;
32 fn get<'b>(value: &'b mut Self::Value) {