rust 入門

async.rs

use futures::future::{Abortable, AbortHandle, Aborted};
use futures::executor::block_on;


fn main() {
    println!("Hello, world!");
    block_on(run());
}

async fn run() {
    let (abort_handle, abort_registration) = AbortHandle::new_pair();
    let future = Abortable::new(long_task(0), abort_registration);
    abort_handle.abort();
    assert_eq!(future.await, Err(Aborted));
}

async fn long_task(task_id: usize) {
    println!("Task {} on {:?}", task_id, std::thread::current().id());
    std::thread::sleep(std::time::Duration::from_secs(1));
    println!("Task {} done", task_id);
}

https://qiita.com/kbone/items/7f7847376fac78b0ebcb

sleep: https://stackoverflow.com/questions/28952938/how-can-i-put-the-current-thread-to-sleep