rust/src/test/run-pass/issue-9719.rs

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// Copyright 2014 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.
mod a {
pub enum Enum<T> {
A(T),
}
pub trait X {}
impl X for int {}
pub struct Z<'a>(Enum<&'a X+'a>);
fn foo() { let x = 42i; let z = Z(A(&x as &X)); let _ = z; }
}
mod b {
trait X {}
impl X for int {}
struct Y<'a>{
x:Option<&'a X+'a>,
}
fn bar() {
let x = 42i;
let _y = Y { x: Some(&x as &X) };
}
}
mod c {
pub trait X { fn f(&self); }
impl X for int { fn f(&self) {} }
pub struct Z<'a>(Option<&'a X+'a>);
fn main() { let x = 42i; let z = Z(Some(&x as &X)); let _ = z; }
}
pub fn main() {}