// 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 main() { fn f(&&v: {const field: int}) { // This shouldn't be possible v.field = 1 //~ ERROR assigning to const field } let v = {field: 0}; f(v); }