// 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. fn write(v: &mut [isize]) { v[0] += 1; } fn main() { let v = vec!(1, 2, 3); write(v.as_mut_slice()); //~ ERROR cannot borrow }