rust/src/test/compile-fail/borrowck-addr-of-upvar.rs
2013-04-30 06:59:32 -04:00

28 lines
808 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.
fn foo(x: @int) -> @fn() -> &'static int {
let result: @fn() -> &'static int = || &*x; //~ ERROR cannot root
result
}
fn bar(x: @int) -> @fn() -> &int {
let result: @fn() -> &int = || &*x; //~ ERROR cannot root
result
}
fn zed(x: @int) -> @fn() -> int {
let result: @fn() -> int = || *&*x;
result
}
fn main() {
}