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rustlings-exercises-completed/exercises/threads/threads1.rs

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2018-02-22 00:09:53 -06:00
// threads1.rs
2022-07-15 04:59:53 -05:00
// Execute `rustlings hint threads1` or use the `hint` watch subcommand for a hint.
// This program should wait until all the spawned threads have finished before exiting.
// I AM NOT DONE
use std::thread;
use std::time::Duration;
fn main() {
let mut handles = vec![];
for i in 0..10 {
thread::spawn(move || {
thread::sleep(Duration::from_millis(250));
println!("thread {} is complete", i);
});
}
let mut completed_threads = 0;
for handle in handles {
// TODO: a struct is returned from thread::spawn, can you use it?
completed_threads += 1;
}
if completed_threads != 10 {
panic!("Oh no! All the spawned threads did not finish!");
}
}