// Copyright 2014 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 a() { let mut v = vec!(1, 2, 3); let vb: &mut [int] = v.as_mut_slice(); match vb { [_a, ..tail] => { v.push(tail[0] + tail[1]); //~ ERROR cannot borrow } _ => {} }; } fn main() {}