blob: aee1f8415eff92ba1f7bb17197785676c9665bdf (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
// 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 borrowed pointer to trait
A function which takes a borrowed pointer to a trait and returns a
struct with that borrowed pointer results in an ICE.
This does not occur with concrete types, only with borrowed pointers
to traits.
*/
// original
trait Inner {
fn print(&self);
}
impl Inner for int {
fn print(&self) { print(fmt!("Inner: %d\n", *self)); }
}
struct Outer<'self> {
inner: &'self Inner
}
impl<'self> Outer<'self> {
fn new<'r>(inner: &'r Inner) -> Outer<'r> {
Outer {
inner: inner
}
}
}
pub fn main() {
let inner = 5;
let outer = Outer::new(&inner as &Inner);
outer.inner.print();
}
// minimal
trait MyTrait<T> { }
pub struct MyContainer<'self, T> {
foos: ~[&'self MyTrait<T>],
}
impl<'self, T> MyContainer<'self, T> {
pub fn add (&mut self, foo: &'self MyTrait<T>) {
self.foos.push(foo);
}
}
|
