use PhantomData;
use Pin;
use crate Stream;
use crate;
/// Creates a stream that doesn't yield any items.
///
/// This `struct` is created by the [`empty`] function. See its
/// documentation for more.
///
/// [`empty`]: fn.empty.html
///
/// # Examples
///
/// ```
/// # async_std::task::block_on(async {
/// #
/// use async_std::prelude::*;
/// use async_std::stream;
///
/// let mut s = stream::empty::<i32>();
///
/// assert_eq!(s.next().await, None);
/// #
/// # })
/// ```
/// A stream that doesn't yield any items.
///
/// This stream is constructed by the [`empty`] function.
///
/// [`empty`]: fn.empty.html