ついに正式対応されるRustのawait/asyncを1.39betaで確認してみた - Qiita

#![allow(non_snake_case)] use std::{thread, time}; async fn foo1() { for i in 0..10 { std::thread::sleep(time::Duration::from_millis(500)); println!("foo1:{} Thread[{:?}]", i, thread::current().id()); } } async fn foo2() { for i in 0..10 { std::thread::sleep(time::Duration::from_millis(500)); println!("foo2:{} Thread[{:?}]", i, thread::current().id()); } } #[runtime::main] async fn main() { let ha