38 lines
971 B
Rust
38 lines
971 B
Rust
// Copyright 2012-2014 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.
|
|
|
|
// ignore-test #5723
|
|
|
|
// Test that you cannot escape a reference
|
|
// into a trait.
|
|
|
|
struct ctxt { v: uint }
|
|
|
|
trait get_ctxt {
|
|
fn get_ctxt(&self) -> &'a ctxt;
|
|
}
|
|
|
|
struct has_ctxt<'a> { c: &'a ctxt }
|
|
|
|
impl<'a> get_ctxt for has_ctxt<'a> {
|
|
fn get_ctxt(&self) -> &'a ctxt { self.c }
|
|
}
|
|
|
|
fn make_gc() -> @get_ctxt {
|
|
let ctxt = ctxt { v: 22u };
|
|
let hc = has_ctxt { c: &ctxt };
|
|
return @hc as @get_ctxt;
|
|
//^~ ERROR source contains reference
|
|
}
|
|
|
|
fn main() {
|
|
make_gc().get_ctxt().v;
|
|
}
|