// 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. struct C { x: int, } impl Drop for C { fn finalize(&self) { error!("dropping: %?", self.x); } } fn main() { let c = C{ x: 2}; let d = copy c; //~ ERROR copying a value of non-copyable type `C` error!("%?", d.x); }