Dependency cleanup (#3145)

axum-core/Cargo.toml

@@ -19,7 +19,7 @@ __private_docs = ["dep:tower-http"]
 
 [dependencies]
 bytes = "1.2"
-futures-util = { version = "0.3", default-features = false, features = ["alloc"] }
+futures-core = "0.3"
 http = "1.0.0"
 http-body = "1.0.0"
 http-body-util = "0.1.0"
@@ -38,7 +38,6 @@ tracing = { version = "0.1.37", default-features = false, optional = true }
 axum = { path = "../axum", features = ["__private"] }
 axum-extra = { path = "../axum-extra", features = ["typed-header"] }
 axum-macros = { path = "../axum-macros", features = ["__private"] }
-futures-util = { version = "0.3", default-features = false, features = ["alloc"] }
 hyper = "1.0.0"
 tokio = { version = "1.25.0", features = ["macros"] }
 tower-http = { version = "0.6.0", features = ["limit"] }

axum-core/src/body.rs

@@ -2,13 +2,12 @@
 
 use crate::{BoxError, Error};
 use bytes::Bytes;
-use futures_util::stream::Stream;
-use futures_util::TryStream;
+use futures_core::{Stream, TryStream};
 use http_body::{Body as _, Frame};
 use http_body_util::BodyExt;
 use pin_project_lite::pin_project;
 use std::pin::Pin;
-use std::task::{Context, Poll};
+use std::task::{ready, Context, Poll};
 use sync_wrapper::SyncWrapper;
 
 type BoxBody = http_body_util::combinators::UnsyncBoxBody<Bytes, Error>;
@@ -147,7 +146,7 @@ impl Stream for BodyDataStream {
     #[inline]
     fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
         loop {
-            match futures_util::ready!(Pin::new(&mut self.inner).poll_frame(cx)?) {
+            match ready!(Pin::new(&mut self.inner).poll_frame(cx)?) {
                 Some(frame) => match frame.into_data() {
                     Ok(data) => return Poll::Ready(Some(Ok(data))),
                     Err(_frame) => {}
@@ -202,7 +201,7 @@ where
         cx: &mut Context<'_>,
     ) -> Poll<Option<Result<Frame<Self::Data>, Self::Error>>> {
         let stream = self.project().stream.get_pin_mut();
-        match futures_util::ready!(stream.try_poll_next(cx)) {
+        match ready!(stream.try_poll_next(cx)) {
             Some(Ok(chunk)) => Poll::Ready(Some(Ok(Frame::data(chunk.into())))),
             Some(Err(err)) => Poll::Ready(Some(Err(Error::new(err)))),
             None => Poll::Ready(None),

axum-extra/CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning].
 
 # Unreleased
 
+- **breaking:** Remove unused `async-stream` feature, which was accidentally
+  introduced as an implicit feature through an optional dependency which was no
+  longer being used ([#3145])
+
+[#3145]: https://github.com/tokio-rs/axum/pull/3145
+
 # 0.10.0
 
 ## since rc.1

axum-extra/Cargo.toml

@@ -57,7 +57,6 @@ tower-layer = "0.3"
 tower-service = "0.3"
 
 # optional dependencies
-async-stream = { version = "0.3", optional = true }
 axum-macros = { path = "../axum-macros", version = "0.5.0", optional = true }
 cookie = { package = "cookie", version = "0.18.0", features = ["percent-encode"], optional = true }
 fastrand = { version = "2.1.0", optional = true }

axum/src/extract/ws.rs

@@ -109,7 +109,7 @@ use std::{
     borrow::Cow,
     future::Future,
     pin::Pin,
-    task::{Context, Poll},
+    task::{ready, Context, Poll},
 };
 use tokio_tungstenite::{
     tungstenite::{
@@ -518,7 +518,7 @@ impl Stream for WebSocket {
 
     fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
         loop {
-            match futures_util::ready!(self.inner.poll_next_unpin(cx)) {
+            match ready!(self.inner.poll_next_unpin(cx)) {
                 Some(Ok(msg)) => {
                     if let Some(msg) = Message::from_tungstenite(msg) {
                         return Poll::Ready(Some(Ok(msg)));

axum/src/middleware/from_extractor.rs

@@ -2,15 +2,15 @@ use crate::{
     extract::FromRequestParts,
     response::{IntoResponse, Response},
 };
-use futures_util::{future::BoxFuture, ready};
+use futures_util::future::BoxFuture;
 use http::Request;
 use pin_project_lite::pin_project;
 use std::{
     fmt,
     future::Future,
     marker::PhantomData,
     pin::Pin,
-    task::{Context, Poll},
+    task::{ready, Context, Poll},
 };
 use tower_layer::Layer;
 use tower_service::Service;

axum/src/response/sse.rs

@@ -34,17 +34,14 @@ use axum_core::{
     response::{IntoResponse, Response},
 };
 use bytes::{BufMut, BytesMut};
-use futures_util::{
-    ready,
-    stream::{Stream, TryStream},
-};
+use futures_util::stream::{Stream, TryStream};
 use http_body::Frame;
 use pin_project_lite::pin_project;
 use std::{
     fmt,
     future::Future,
     pin::Pin,
-    task::{Context, Poll},
+    task::{ready, Context, Poll},
     time::Duration,
 };
 use sync_wrapper::SyncWrapper;

axum/src/routing/route.rs

@@ -230,7 +230,7 @@ impl Future for InfallibleRouteFuture {
     type Output = Response;
 
     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
-        match futures_util::ready!(self.project().future.poll(cx)) {
+        match ready!(self.project().future.poll(cx)) {
             Ok(response) => Poll::Ready(response),
             Err(err) => match err {},
         }

examples/low-level-native-tls/Cargo.toml

@@ -11,7 +11,6 @@ hyper = { version = "1.0.0", features = ["full"] }
 hyper-util = { version = "0.1" }
 tokio = { version = "1", features = ["full"] }
 tokio-native-tls = "0.3.1"
-tower = { version = "0.5.2", features = ["make"] }
 tower-service = "0.3.2"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }

examples/unix-domain-socket/Cargo.toml

@@ -10,5 +10,4 @@ http-body-util = "0.1"
 hyper = { version = "1.0.0", features = ["full"] }
 hyper-util = { version = "0.1", features = ["tokio", "server-auto", "http1"] }
 tokio = { version = "1.0", features = ["full"] }
-tower = { version = "0.5.2", features = ["util"] }
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }