Last change
on this file since 0a6d2045 was
716b62c,
checked in by Thierry Delisle <tdelisle@…>, 3 years ago
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Added rust and cpu example.
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-
Property mode set to
100644
|
File size:
1.4 KB
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Rev | Line | |
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[716b62c] | 1 | use std::thread; |
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| 2 | use std::time::Duration; |
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| 3 | |
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| 4 | // This is the version I wished worked. |
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| 5 | // If join was't ingored it would be safe |
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| 6 | fn better() { |
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| 7 | // let durr = Duration::from_millis(1); |
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| 8 | { |
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| 9 | let thrd = thread::spawn(move || { |
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| 10 | for i in 1..10 { |
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| 11 | println!("hi number {} from the spawned thread!", i); |
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| 12 | thread::sleep(durr); |
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| 13 | } |
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| 14 | }); |
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| 15 | |
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| 16 | for i in 1..5 { |
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| 17 | println!("hi number {} from the main thread!", i); |
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| 18 | thread::sleep(durr); |
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| 19 | } |
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| 20 | |
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| 21 | thrd.join().unwrap(); |
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| 22 | } |
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| 23 | } |
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| 24 | |
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| 25 | use std::sync::Arc; |
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| 26 | |
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| 27 | // This uses arc, which should not be needed |
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| 28 | // But it fails to figure out where to clone so it doesn't compile |
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| 29 | fn best() { |
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| 30 | let durr = Arc::new(Duration::from_millis(1)); |
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| 31 | { |
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| 32 | let thrd = thread::spawn(|| { |
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| 33 | for i in 1..10 { |
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| 34 | println!("hi number {} from the spawned thread!", i); |
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| 35 | thread::sleep(*durr); |
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| 36 | } |
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| 37 | }); |
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| 38 | |
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| 39 | for i in 1..5 { |
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| 40 | println!("hi number {} from the main thread!", i); |
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| 41 | thread::sleep(*durr); |
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| 42 | } |
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| 43 | |
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| 44 | thrd.join().unwrap(); |
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| 45 | } |
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| 46 | } |
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| 47 | |
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| 48 | // This is what is actually required |
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| 49 | // Note that the clone is explicit |
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| 50 | fn real() { |
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| 51 | let durr = Arc::new(Duration::from_millis(1)); |
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| 52 | { |
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| 53 | let durr2 = durr.clone(); |
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| 54 | let thrd = thread::spawn(move || { |
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| 55 | for i in 1..10 { |
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| 56 | println!("hi number {} from the spawned thread!", i); |
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| 57 | thread::sleep(*durr2); |
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| 58 | } |
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| 59 | }); |
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| 60 | |
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| 61 | for i in 1..5 { |
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| 62 | println!("hi number {} from the main thread!", i); |
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| 63 | thread::sleep(*durr); |
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| 64 | } |
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| 65 | |
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| 66 | thrd.join().unwrap(); |
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| 67 | } |
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| 68 | } |
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| 69 | |
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| 70 | fn main() { |
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| 71 | best(); |
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| 72 | better(); |
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| 73 | real(); |
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| 74 | } |
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