// 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 or the MIT license // , 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); } }