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Co-authored-by: nasa <htilcs1115@gmail.com>
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Oleg Nosov 2020-06-12 18:03:07 +03:00 committed by GitHub
parent 68063adddf
commit 2323ac9a8e
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2 changed files with 13 additions and 25 deletions
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18
src/stream/stream/flat_map.rs
View file

@ -51,21 +51,15 @@ where
let mut this = self.project(); let mut this = self.project();
loop { loop {
if let Some(inner) = this.inner_stream.as_mut().as_pin_mut() { if let Some(inner) = this.inner_stream.as_mut().as_pin_mut() {
let next_item = futures_core::ready!(inner.poll_next(cx)); match futures_core::ready!(inner.poll_next(cx)) {
item @ Some(_) => return Poll::Ready(item),
if next_item.is_some() { None => this.inner_stream.set(None),
return Poll::Ready(next_item);
} else {
this.inner_stream.set(None);
} }
} }
let inner = futures_core::ready!(this.stream.as_mut().poll_next(cx)); match futures_core::ready!(this.stream.as_mut().poll_next(cx)) {
inner @ Some(_) => this.inner_stream.set(inner.map(IntoStream::into_stream)),
if inner.is_some() { None => return Poll::Ready(None),
this.inner_stream.set(inner.map(IntoStream::into_stream));
} else {
return Poll::Ready(None);
} }
} }
} }

18
src/stream/stream/flatten.rs
View file

@ -52,21 +52,15 @@ where
let mut this = self.project(); let mut this = self.project();
loop { loop {
if let Some(inner) = this.inner_stream.as_mut().as_pin_mut() { if let Some(inner) = this.inner_stream.as_mut().as_pin_mut() {
let next_item = futures_core::ready!(inner.poll_next(cx)); match futures_core::ready!(inner.poll_next(cx)) {
item @ Some(_) => return Poll::Ready(next_item),
if next_item.is_some() { None => this.inner_stream.set(None),
return Poll::Ready(next_item);
} else {
this.inner_stream.set(None);
} }
} }
let inner = futures_core::ready!(this.stream.as_mut().poll_next(cx)); match futures_core::ready!(this.stream.as_mut().poll_next(cx)) {
inner @ Some(_) => this.inner_stream.set(inner.map(IntoStream::into_stream)),
if inner.is_some() { None => Poll::Ready(None),
this.inner_stream.set(inner.map(IntoStream::into_stream));
} else {
return Poll::Ready(None);
} }
} }
} }