1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
use std::future::Future;
use crate::task::{Builder, JoinHandle};
/// Spawns a task.
///
/// This function is similar to [`std::thread::spawn`], except it spawns an asynchronous task.
///
/// [`std::thread`]: https://doc.rust-lang.org/std/thread/fn.spawn.html
///
/// # Examples
///
/// ```
/// # async_std::task::block_on(async {
/// #
/// use async_std::task;
///
/// let handle = task::spawn(async {
/// 1 + 2
/// });
///
/// assert_eq!(handle.await, 3);
/// #
/// # })
/// ```
pub fn spawn<F, T>(future: F) -> JoinHandle<T>
where
F: Future<Output = T> + Send + 'static,
T: Send + 'static,
{
Builder::new().spawn(future).expect("cannot spawn task")
}