Noratrieb/101844-repro
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This commit is contained in:
nora 2022-09-15 22:41:27 +02:00
parent 0241ea2615
commit 292ba1a477
1 changed files with 12 additions and 25 deletions
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37
tower/src/lib.rs
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@ -1,8 +1,5 @@
use std::marker::PhantomData;
use std::{
pin::Pin,
task::{Context, Poll},
};
use std::pin::Pin;
use core::ops::DerefMut;
@ -10,10 +7,6 @@ pub trait Stream {
type Item;
}
impl<S: ?Sized + Stream + Unpin> Stream for &mut S {
type Item = S::Item;
}
impl<P> Stream for Pin<P>
where
P: DerefMut + Unpin,
@ -24,18 +17,16 @@ where
pub trait TryStream: Stream {
type Ok;
type Error;
}
impl<S, T, E> TryStream for S
impl<S, T> TryStream for S
where
S: ?Sized + Stream<Item = Result<T, E>>,
S: ?Sized + Stream<Item = T>,
{
type Ok = T;
type Error = E;
}
pub type BoxError = Box<dyn std::error::Error + Send + Sync>;
pub type BoxError = ();
pub trait Discover {
type Key;
@ -43,14 +34,14 @@ pub trait Discover {
type Error;
}
impl<K, S, E, D: ?Sized> Discover for D
impl<K, S, D: ?Sized> Discover for D
where
D: TryStream<Ok = (K, S), Error = E>,
D: TryStream<Ok = (K, S)>,
K: Eq,
{
type Key = K;
type Service = S;
type Error = E;
type Error = ();
}
pub trait Service<Request> {
@ -96,13 +87,13 @@ impl<MS, Target, Request> Stream for PoolDiscoverer<MS, Target, Request>
where
MS: MakeService<Target, Request>,
{
type Item = Result<(usize, DropNotifyService<MS::Service>), MS::Error>;
type Item = (usize, DropNotifyService<MS::Service>);
}
pub struct Builder {}
impl Builder {
pub fn build<MS, Target, Request>() -> ()
pub fn build<MS, Target, Request>()
where
MS: MakeService<Target, Request>,
MS::Error: Into<crate::BoxError>,
@ -110,9 +101,7 @@ impl Builder {
let d: PoolDiscoverer<MS, Target, Request> = todo!();
// THE CRITICAL STATEMENT
let x = Balance::new(Box::pin(d));
todo!()
let _ = Balance::new(Box::pin(d));
}
}
@ -120,16 +109,14 @@ pub struct Pool<MS, Target, Request> {
balance: (MS, Target, Request),
}
type PinBalance<S, Request> = Balance<Pin<Box<S>>, Request>;
impl<MS, Target, Req> Service<Req> for Pool<MS, Target, Req>
where
MS: MakeService<Target, Req>,
MS::Error: Into<crate::BoxError>,
Target: Clone,
{
type Error = <PinBalance<PoolDiscoverer<MS, Target, Req>, Req> as Service<Req>>::Error;
type Future = <PinBalance<PoolDiscoverer<MS, Target, Req>, Req> as Service<Req>>::Future;
type Error = <Balance<PoolDiscoverer<MS, Target, Req>, Req> as Service<Req>>::Error;
type Future = <Balance<PoolDiscoverer<MS, Target, Req>, Req> as Service<Req>>::Future;
}
pub struct DropNotifyService<Svc> {