rust/src/test/compile-fail/mutable-huh-ptr-assign.rs

// 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.

extern mod std;

fn main() {
    unsafe fn f(&&v: *const int) {
        *v = 1 //~ ERROR cannot assign
    }

    unsafe {
        let mut a = 0;
        let v = &mut a;
        f(v);
    }
}