35 lines
909 B
Rust
35 lines
909 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.
|
||
|
|
||
|
trait Foo {
|
||
|
fn borrowed<'a>(&'a self) -> &'a ();
|
||
|
}
|
||
|
|
||
|
fn borrowed_receiver<'a>(x: &'a Foo) -> &'a () {
|
||
|
x.borrowed()
|
||
|
}
|
||
|
|
||
|
fn owned_receiver(x: ~Foo) -> &() {
|
||
|
x.borrowed() //~ ERROR borrowed value does not live long enough
|
||
|
}
|
||
|
|
||
|
fn mut_owned_receiver(mut x: ~Foo) {
|
||
|
let _y = x.borrowed();
|
||
|
let _z = &mut x; //~ ERROR cannot borrow
|
||
|
}
|
||
|
|
||
|
fn imm_owned_receiver(mut x: ~Foo) {
|
||
|
let _y = x.borrowed();
|
||
|
let _z = &x;
|
||
|
}
|
||
|
|
||
|
fn main() {}
|
||
|
|