26 lines
755 B
Rust
26 lines
755 B
Rust
// Copyright 2012-2013 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.
|
|
|
|
fn borrow(x: &int, f: &fn(x: &int)) {
|
|
f(x)
|
|
}
|
|
|
|
fn test1(x: @~int) {
|
|
do borrow(&*(*x).clone()) |p| {
|
|
let x_a = ptr::to_unsafe_ptr(&**x);
|
|
assert!((x_a as uint) != ptr::to_uint(p));
|
|
assert!(unsafe{*x_a} == *p);
|
|
}
|
|
}
|
|
|
|
pub fn main() {
|
|
test1(@~22);
|
|
}
|