refactor(lib): Switch from pin-project to pin-project-lite

src/client/conn.rs

@@ -56,7 +56,7 @@ use std::time::Duration;
 
 use bytes::Bytes;
 use futures_util::future::{self, Either, FutureExt as _};
-use pin_project::pin_project;
+use pin_project_lite::pin_project;
 use tokio::io::{AsyncRead, AsyncWrite};
 use tower_service::Service;
 
@@ -75,15 +75,23 @@ use crate::{Body, Request, Response};
 #[cfg(feature = "http1")]
 type Http1Dispatcher<T, B, R> = proto::dispatch::Dispatcher<proto::dispatch::Client<B>, B, T, R>;
 
-#[pin_project(project = ProtoClientProj)]
-enum ProtoClient<T, B>
-where
-    B: HttpBody,
-{
-    #[cfg(feature = "http1")]
-    H1(#[pin] Http1Dispatcher<T, B, proto::h1::ClientTransaction>),
-    #[cfg(feature = "http2")]
-    H2(#[pin] proto::h2::ClientTask<B>, PhantomData<fn(T)>),
+pin_project! {
+    #[project = ProtoClientProj]
+    enum ProtoClient<T, B>
+    where
+        B: HttpBody,
+    {
+        #[cfg(feature = "http1")]
+        H1 {
+            #[pin]
+            h1: Http1Dispatcher<T, B, proto::h1::ClientTransaction>,
+        },
+        #[cfg(feature = "http2")]
+        H2 {
+            #[pin]
+            h2: proto::h2::ClientTask<B>, _phantom: PhantomData<fn(T)>,
+        },
+    }
 }
 
 /// Returns a handshake future over some IO.
@@ -400,7 +408,7 @@ where
     pub fn into_parts(self) -> Parts<T> {
         match self.inner.expect("already upgraded") {
             #[cfg(feature = "http1")]
-            ProtoClient::H1(h1) => {
+            ProtoClient::H1 { h1 } => {
                 let (io, read_buf, _) = h1.into_inner();
                 Parts {
                     io,
@@ -409,7 +417,7 @@ where
                 }
             }
             #[cfg(feature = "http2")]
-            ProtoClient::H2(..) => {
+            ProtoClient::H2 { .. } => {
                 panic!("http2 cannot into_inner");
             }
         }
@@ -429,9 +437,9 @@ where
     pub fn poll_without_shutdown(&mut self, cx: &mut task::Context<'_>) -> Poll<crate::Result<()>> {
         match *self.inner.as_mut().expect("already upgraded") {
             #[cfg(feature = "http1")]
-            ProtoClient::H1(ref mut h1) => h1.poll_without_shutdown(cx),
+            ProtoClient::H1 { ref mut h1 } => h1.poll_without_shutdown(cx),
             #[cfg(feature = "http2")]
-            ProtoClient::H2(ref mut h2, _) => Pin::new(h2).poll(cx).map_ok(|_| ()),
+            ProtoClient::H2 { ref mut h2, .. } => Pin::new(h2).poll(cx).map_ok(|_| ()),
         }
     }
 
@@ -460,7 +468,7 @@ where
             proto::Dispatched::Shutdown => Poll::Ready(Ok(())),
             #[cfg(feature = "http1")]
             proto::Dispatched::Upgrade(pending) => match self.inner.take() {
-                Some(ProtoClient::H1(h1)) => {
+                Some(ProtoClient::H1 { h1 }) => {
                     let (io, buf, _) = h1.into_inner();
                     pending.fulfill(Upgraded::new(io, buf));
                     Poll::Ready(Ok(()))
@@ -707,14 +715,17 @@ impl Builder {
                     }
                     let cd = proto::h1::dispatch::Client::new(rx);
                     let dispatch = proto::h1::Dispatcher::new(cd, conn);
-                    ProtoClient::H1(dispatch)
+                    ProtoClient::H1 { h1: dispatch }
                 }
                 #[cfg(feature = "http2")]
                 Proto::Http2 => {
                     let h2 =
                         proto::h2::client::handshake(io, rx, &opts.h2_builder, opts.exec.clone())
                             .await?;
-                    ProtoClient::H2(h2, PhantomData)
+                    ProtoClient::H2 {
+                        h2,
+                        _phantom: PhantomData,
+                    }
                 }
             };
 
@@ -768,9 +779,9 @@ where
     fn poll(self: Pin<&mut Self>, cx: &mut task::Context<'_>) -> Poll<Self::Output> {
         match self.project() {
             #[cfg(feature = "http1")]
-            ProtoClientProj::H1(c) => c.poll(cx),
+            ProtoClientProj::H1 { h1 } => h1.poll(cx),
             #[cfg(feature = "http2")]
-            ProtoClientProj::H2(c, _) => c.poll(cx),
+            ProtoClientProj::H2 { h2, .. } => h2.poll(cx),
         }
     }
 }