// 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 `Clone` if their environment is not `Clone`. struct S(i32); fn main() { let a = S(5); let hello = move || { println!("Hello {}", a.0); }; let hello = hello.clone(); //~ ERROR the trait bound `S: std::clone::Clone` is not satisfied }