use futures::{
	stream,
	stream::{Stream, TryStream},
	StreamExt,
};

pub trait IterStream<I: IntoIterator + Send> {
	/// Convert an Iterator into a Stream
	fn stream(self) -> impl Stream<Item = <I as IntoIterator>::Item> + Send;

	/// Convert an Iterator into a TryStream
	fn try_stream(self) -> impl TryStream<Ok = <I as IntoIterator>::Item, Error = crate::Error> + Send;
}

impl<I> IterStream<I> for I
where
	I: IntoIterator + Send,
	<I as IntoIterator>::IntoIter: Send,
{
	#[inline]
	fn stream(self) -> impl Stream<Item = <I as IntoIterator>::Item> + Send { stream::iter(self) }

	#[inline]
	fn try_stream(self) -> impl TryStream<Ok = <I as IntoIterator>::Item, Error = crate::Error> + Send {
		self.stream().map(Ok)
	}
}