rust/src/test/compile-fail/regions-trait-2.rs

32 lines
843 B
Rust

// Copyright 2012 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 ctxt { v: uint }
trait get_ctxt {
fn get_ctxt() -> &self/ctxt;
}
struct has_ctxt { c: &ctxt }
impl get_ctxt for has_ctxt {
fn get_ctxt() -> &self/ctxt { self.c }
}
fn make_gc() -> get_ctxt {
let ctxt = ctxt { v: 22u };
let hc = has_ctxt { c: &ctxt }; //~ ERROR illegal borrow
return hc as get_ctxt;
}
fn main() {
make_gc().get_ctxt().v;
}