Remove uses of pin_project::project attribute

pin-project will deprecate the project attribute due to some unfixable limitations. Refs: taiki-e/pin-project#225
taiki-e · Jun 6, 2020 · 04982cc · 04982cc
1 parent 6d9d78e
commit 04982cc
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Showing 2 changed files with 13 additions and 23 deletions.
diff --git a/noria/Cargo.toml b/noria/Cargo.toml
@@ -42,7 +42,7 @@ tokio-tower = "0.4"
 tracing = "0.1.12"
 tracing-futures = "0.2.2"
 slab = "0.4"
-pin-project = "0.4.0"
+pin-project = "0.4.17"
 futures-util = "0.3.0"
 mysql_common = "0.22"
 

diff --git a/noria/src/channel/tcp.rs b/noria/src/channel/tcp.rs
@@ -9,7 +9,7 @@ use bufstream::BufStream;
 use byteorder::{NetworkEndian, WriteBytesExt};
 use futures_util::ready;
 use futures_util::{sink::Sink, stream::Stream};
-use pin_project::{pin_project, project};
+use pin_project::pin_project;
 use serde::{Deserialize, Serialize};
 use std::{
     pin::Pin,
@@ -156,7 +156,7 @@ pub enum RecvError {
     DeserializationError(bincode::Error),
 }
 
-#[pin_project]
+#[pin_project(project = DualTcpStreamProj)]
 pub enum DualTcpStream<S, T, T2, D> {
     Passthrough(#[pin] AsyncBincodeStream<S, T, Tagged<()>, D>),
     Upgrade(
@@ -194,39 +194,31 @@ where
 {
     type Error = bincode::Error;
 
-    #[project]
     fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
-        #[project]
         match self.project() {
-            DualTcpStream::Passthrough(abs) => abs.poll_ready(cx),
-            DualTcpStream::Upgrade(abs, _) => abs.poll_ready(cx),
+            DualTcpStreamProj::Passthrough(abs) => abs.poll_ready(cx),
+            DualTcpStreamProj::Upgrade(abs, _) => abs.poll_ready(cx),
         }
     }
 
-    #[project]
     fn start_send(self: Pin<&mut Self>, item: Tagged<()>) -> Result<(), Self::Error> {
-        #[project]
         match self.project() {
-            DualTcpStream::Passthrough(abs) => abs.start_send(item),
-            DualTcpStream::Upgrade(abs, _) => abs.start_send(item),
+            DualTcpStreamProj::Passthrough(abs) => abs.start_send(item),
+            DualTcpStreamProj::Upgrade(abs, _) => abs.start_send(item),
         }
     }
 
-    #[project]
     fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
-        #[project]
         match self.project() {
-            DualTcpStream::Passthrough(abs) => abs.poll_flush(cx),
-            DualTcpStream::Upgrade(abs, _) => abs.poll_flush(cx),
+            DualTcpStreamProj::Passthrough(abs) => abs.poll_flush(cx),
+            DualTcpStreamProj::Upgrade(abs, _) => abs.poll_flush(cx),
         }
     }
 
-    #[project]
     fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
-        #[project]
         match self.project() {
-            DualTcpStream::Passthrough(abs) => abs.poll_close(cx),
-            DualTcpStream::Upgrade(abs, _) => abs.poll_close(cx),
+            DualTcpStreamProj::Passthrough(abs) => abs.poll_close(cx),
+            DualTcpStreamProj::Upgrade(abs, _) => abs.poll_close(cx),
         }
     }
 }
@@ -241,14 +233,12 @@ where
 {
     type Item = Result<T, bincode::Error>;
 
-    #[project]
     fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
         // https://github.com/rust-lang/rust-clippy/issues/3071
-        #[project]
         #[allow(clippy::redundant_closure)]
         match self.project() {
-            DualTcpStream::Passthrough(abr) => abr.poll_next(cx),
-            DualTcpStream::Upgrade(abr, upgrade) => {
+            DualTcpStreamProj::Passthrough(abr) => abr.poll_next(cx),
+            DualTcpStreamProj::Upgrade(abr, upgrade) => {
                 Poll::Ready(ready!(abr.poll_next(cx)).transpose()?.map(upgrade).map(Ok))
             }
         }