source:
doc/papers/concurrency/examples/channels.rs@
749cf69
Last change on this file since 749cf69 was 2aab69b, checked in by , 6 years ago | |
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File size: 739 bytes |
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[2aab69b] | 1 | #![feature(async_await)] |
2 | ||
3 | use std::thread; | |
4 | use std::sync::mpsc; | |
5 | ||
6 | fn main() { | |
7 | let (tx1, rx1) = mpsc::channel(); | |
8 | let (tx2, rx2) = mpsc::channel(); | |
9 | let (tx3, rx3) = mpsc::channel(); | |
10 | let (tx4, rx4) = mpsc::channel(); | |
11 | struct Msg { i : i64, j : i64 } | |
12 | let th = thread::spawn( || { | |
13 | let i : i64; let f : f64; let m : Msg; | |
14 | loop { | |
15 | select! { | |
16 | i = rx1.recv() => println( i ); | |
17 | f = rx2.recv() => println( f ); | |
18 | m = rx3.recv() => println( m ); | |
19 | _ = rx4.recv() => break; | |
20 | } | |
21 | } | |
22 | }); | |
23 | ||
24 | tx1.send( 0 ); // different messages | |
25 | tx2.send( 2.5 ); | |
26 | tx3.send( Msg { i:1, j:2 } ); | |
27 | tx4.send( "done" ); | |
28 | th.join().unwrap(); | |
29 | } | |
30 | ||
31 | // Local Variables: // | |
32 | // tab-width: 4 // | |
33 | // compile-command: "rustc -C opt-level=3 channels.rs" // | |
34 | // End: // |
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