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// Issue #763
use std;
import task;
import comm::chan;
import comm::send;
import comm;
import comm::port;
import comm::recv;
enum request { quit, close(chan<bool>), }
type ctx = chan<request>;
fn request_task(c: chan<ctx>) {
let p = port();
send(c, chan(p));
let mut req: request;
req = recv(p);
// Need to drop req before receiving it again
req = recv(p);
}
fn new_cx() -> ctx {
let p = port();
let ch = chan(p);
let t = task::spawn {|| request_task(ch); };
let mut cx: ctx;
cx = recv(p);
ret cx;
}
fn main() {
let cx = new_cx();
let p = port::<bool>();
send(cx, close(chan(p)));
send(cx, quit);
}
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