// Copyright 2017 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. // Check that closures do not implement `Copy` if their environment is not `Copy`. fn main() { let mut a = 5; let hello = || { a += 1; }; let b = hello; let c = hello; //~ ERROR use of moved value: `hello` [E0382] }