// Copyright 2012-2014 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. use std::task; struct complainer { tx: Sender, } impl Drop for complainer { fn drop(&mut self) { println!("About to send!"); self.tx.send(true); println!("Sent!"); } } fn complainer(tx: Sender) -> complainer { println!("Hello!"); complainer { tx: tx } } fn f(tx: Sender) { let _tx = complainer(tx); fail!(); } pub fn main() { let (tx, rx) = channel(); task::spawn(proc() f(tx.clone())); println!("hiiiiiiiii"); assert!(rx.recv()); }