rust/src/test/ui/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.rs

// 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.

struct Ref<'a, 'b> { a: &'a u32, b: &'b u32 }

fn foo(mut y: Ref, x: &u32) {
    y.b = x;
}

fn main() { }