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