tokio 0.2.3

An event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications.
Documentation 
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#![warn(rust_2018_idioms)]
#![cfg(feature = "full")]

use tokio::task;
use tokio_test::assert_ok;

use std::thread;
use std::time::Duration;

#[tokio::test]
async fn basic_blocking() {
    // Run a few times
    for _ in 0..100 {
        let out = assert_ok!(
            tokio::spawn(async {
                assert_ok!(
                    task::spawn_blocking(|| {
                        thread::sleep(Duration::from_millis(5));
                        "hello"
                    })
                    .await
                )
            })
            .await
        );

        assert_eq!(out, "hello");
    }
}