rust/src/test/run-pass/borrowck-borrow-from-expr-block.rs
Patrick Walton f571e46ddb test: Remove non-procedure uses of do from compiletest, libstd tests,
compile-fail tests, run-fail tests, and run-pass tests.
2013-11-26 08:25:27 -08:00

31 lines
814 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.
#[feature(managed_boxes)];
use std::borrow;
use std::ptr;
fn borrow(x: &int, f: |x: &int|) {
f(x)
}
fn test1(x: @~int) {
borrow(&*(*x).clone(), |p| {
let x_a = ptr::to_unsafe_ptr(&**x);
assert!((x_a as uint) != borrow::to_uint(p));
assert_eq!(unsafe{*x_a}, *p);
})
}
pub fn main() {
test1(@~22);
}