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Code Issues Releases Wiki Activity

unlink MessageBody from Unpin

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This commit is contained in:
Maksym Vorobiov
2020-02-03 22:55:49 +02:00
committed by Yuki Okushi
parent 2e2ea7ab80
commit ec5c779732
3 changed files with 181 additions and 139 deletions
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10
actix-http/src/body.rs
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@ -33,7 +33,7 @@ impl BodySize {
}
/// Type that provides this trait can be streamed to a peer.
pub trait MessageBody: Unpin {
pub trait MessageBody {
fn size(&self) -> BodySize;
fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Result<Bytes, Error>>>;
@ -53,14 +53,13 @@ impl MessageBody for () {
}
}
impl<T: MessageBody> MessageBody for Box<T> {
impl<T: MessageBody + Unpin> MessageBody for Box<T> {
fn size(&self) -> BodySize {
self.as_ref().size()
}
fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Result<Bytes, Error>>> {
let a: Pin<&mut T> = Pin::new(self.get_mut().as_mut());
a.poll_next(cx)
unsafe { self.map_unchecked_mut(|boxed| boxed.as_mut()) }.poll_next(cx)
}
}
@ -70,8 +69,7 @@ impl MessageBody for Box<dyn MessageBody> {
}
fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Result<Bytes, Error>>> {
let a: Pin<&mut dyn MessageBody> = Pin::new(self.get_mut().as_mut());
a.poll_next(cx)
unsafe { Pin::new_unchecked(self.get_mut().as_mut()) }.poll_next(cx)
}
}