fix pending stabilization

yoshuawuyts · yoshuawuyts · commit 3a6e75cc1dc4 · 2020-09-23T14:23:36.000+02:00
diff --git a/src/stream/pending.rs b/src/stream/pending.rs
@@ -2,7 +2,11 @@ use core::marker::PhantomData;
 use core::pin::Pin;
 use core::task::{Context, Poll};
 
-use crate::stream::{DoubleEndedStream, ExactSizeStream, FusedStream, Stream};
+cfg_unstable! {
+    use crate::stream::{DoubleEndedStream, ExactSizeStream, FusedStream};
+}
+
+use crate::stream::Stream;
 
 /// A stream that never returns any items.
 ///
@@ -53,14 +57,20 @@ impl<T> Stream for Pending<T> {
     }
 }
 
+#[cfg(feature = "unstable")]
+#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 impl<T> DoubleEndedStream for Pending<T> {
     fn poll_next_back(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Option<T>> {
         Poll::Pending
     }
 }
 
+#[cfg(feature = "unstable")]
+#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 impl<T> FusedStream for Pending<T> {}
 
+#[cfg(feature = "unstable")]
+#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 impl<T> ExactSizeStream for Pending<T> {
     fn len(&self) -> usize {
         0

Original file line number	Diff line number	Diff line change
`@@ -2,7 +2,11 @@ use core::marker::PhantomData;`
`2`	`2`	`use core::pin::Pin;`
`3`	`3`	`use core::task::{Context, Poll};`
`4`	`4`
`5`		`-use crate::stream::{DoubleEndedStream, ExactSizeStream, FusedStream, Stream};`
	`5`	`+cfg_unstable! {`
	`6`	`+ use crate::stream::{DoubleEndedStream, ExactSizeStream, FusedStream};`
	`7`	`+}`
	`8`	`+`
	`9`	`+use crate::stream::Stream;`
`6`	`10`
`7`	`11`	`/// A stream that never returns any items.`
`8`	`12`	`///`
`@@ -53,14 +57,20 @@ impl<T> Stream for Pending<T> {`
`53`	`57`	`}`
`54`	`58`	`}`
`55`	`59`
	`60`	`+#[cfg(feature = "unstable")]`
	`61`	`+#[cfg_attr(feature = "docs", doc(cfg(unstable)))]`
`56`	`62`	`impl<T> DoubleEndedStream for Pending<T> {`
`57`	`63`	`fn poll_next_back(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Option<T>> {`
`58`	`64`	`Poll::Pending`
`59`	`65`	`}`
`60`	`66`	`}`
`61`	`67`
	`68`	`+#[cfg(feature = "unstable")]`
	`69`	`+#[cfg_attr(feature = "docs", doc(cfg(unstable)))]`
`62`	`70`	`impl<T> FusedStream for Pending<T> {}`
`63`	`71`
	`72`	`+#[cfg(feature = "unstable")]`
	`73`	`+#[cfg_attr(feature = "docs", doc(cfg(unstable)))]`
`64`	`74`	`impl<T> ExactSizeStream for Pending<T> {`
`65`	`75`	`fn len(&self) -> usize {`
`66`	`76`	`0`