tokio/tokio-stream/tests/stream_once.rs
Lucio Franco 8efa62013b
Move stream items into tokio-stream (#3277)
This change removes all references to `Stream` from
within the `tokio` crate and moves them into a new
`tokio-stream` crate. Most types have had their
`impl Stream` removed as well in-favor of their
inherent methods.

Closes #2870
2020-12-15 20:24:38 -08:00

13 lines
312 B
Rust

use tokio_stream::{self as stream, Stream, StreamExt};
#[tokio::test]
async fn basic_usage() {
let mut one = stream::once(1);
assert_eq!(one.size_hint(), (1, Some(1)));
assert_eq!(Some(1), one.next().await);
assert_eq!(one.size_hint(), (0, Some(0)));
assert_eq!(None, one.next().await);
}