I'm trying to understand the idea of DuplexStream. First of all, it can't be
used for cross-task communications:
13 let value = gen_data();
14 let (server, client) = DuplexStream();
15
16 do task::spawn {
17 let val: ~[uint] = server.recv();
18 io::println(fmt!("Value: %?", val));
19 let res = val.map(|v| {v+1});
20 client.send(res)
21 }
22
23 server.send(value);
24 io::println(fmt!("Resilt: %?", client.recv()));
because of error: "21:5 note: `server` moved into closure environment here
because its type is moved by default".
In library sources I found example which passes messages inside one task, what
IMHO is not too useful.
Would you please provide a brief explanation of DuplexStream usage scenario?
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