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// Copyright 2013 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.
/*
# ICE when returning struct with reference to trait
A function which takes a reference to a trait and returns a
struct with that reference results in an ICE.
This does not occur with concrete types, only with references
to traits.
*/
// original
trait Inner {
fn print(&self);
}
impl Inner for isize {
fn print(&self) { print!("Inner: {}\n", *self); }
}
struct Outer<'a> {
inner: &'a (Inner+'a)
}
impl<'a> Outer<'a> {
fn new(inner: &Inner) -> Outer {
Outer {
inner: inner
}
}
}
pub fn main() {
let inner: isize = 5;
let outer = Outer::new(&inner as &Inner);
outer.inner.print();
}
// minimal
pub trait MyTrait<T> {
fn dummy(&self, t: T) -> T { panic!() }
}
pub struct MyContainer<'a, T:'a> {
foos: Vec<&'a (MyTrait<T>+'a)> ,
}
impl<'a, T> MyContainer<'a, T> {
pub fn add (&mut self, foo: &'a MyTrait<T>) {
self.foos.push(foo);
}
}
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