refactor(common): move compat constructor to method (#3367)

src/common/io/compat.rs

@@ -7,11 +7,11 @@ use std::task::{Context, Poll};
 #[derive(Debug)]
 pub(crate) struct Compat<T>(pub(crate) T);
 
-pub(crate) fn compat<T>(io: T) -> Compat<T> {
-    Compat(io)
-}
-
 impl<T> Compat<T> {
+    pub(crate) fn new(io: T) -> Self {
+        Compat(io)
+    }
+
     fn p(self: Pin<&mut Self>) -> Pin<&mut T> {
         // SAFETY: The simplest of projections. This is just
         // a wrapper, we don't do anything that would undo the projection.

src/common/io/mod.rs

@@ -3,5 +3,5 @@ mod compat;
 mod rewind;
 
 #[cfg(all(any(feature = "client", feature = "server"), feature = "http2"))]
-pub(crate) use self::compat::{compat, Compat};
+pub(crate) use self::compat::Compat;
 pub(crate) use self::rewind::Rewind;

src/common/io/rewind.rs

@@ -108,7 +108,7 @@ where
 
 #[cfg(test)]
 mod tests {
-    use super::super::compat;
+    use super::super::Compat;
     use super::Rewind;
     use bytes::Bytes;
     use tokio::io::AsyncReadExt;
@@ -120,7 +120,7 @@ mod tests {
 
         let mock = tokio_test::io::Builder::new().read(&underlying).build();
 
-        let mut stream = compat(Rewind::new(compat(mock)));
+        let mut stream = Compat::new(Rewind::new(Compat::new(mock)));
 
         // Read off some bytes, ensure we filled o1
         let mut buf = [0; 2];
@@ -143,7 +143,7 @@ mod tests {
 
         let mock = tokio_test::io::Builder::new().read(&underlying).build();
 
-        let mut stream = compat(Rewind::new(compat(mock)));
+        let mut stream = Compat::new(Rewind::new(Compat::new(mock)));
 
         let mut buf = [0; 5];
         stream.read_exact(&mut buf).await.expect("read1");

src/proto/h1/decode.rs

@@ -627,7 +627,7 @@ mod tests {
     async fn read_async(mut decoder: Decoder, content: &[u8], block_at: usize) -> String {
         let mut outs = Vec::new();
 
-        let mut ins = crate::common::io::compat(if block_at == 0 {
+        let mut ins = crate::common::io::Compat::new(if block_at == 0 {
             tokio_test::io::Builder::new()
                 .wait(Duration::from_millis(10))
                 .read(content)

src/proto/h1/dispatch.rs

@@ -668,7 +668,7 @@ cfg_client! {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::common::io::compat;
+    use crate::common::io::Compat;
     use crate::proto::h1::ClientTransaction;
     use std::time::Duration;
 
@@ -682,7 +682,7 @@ mod tests {
             // Block at 0 for now, but we will release this response before
             // the request is ready to write later...
             let (mut tx, rx) = crate::client::dispatch::channel();
-            let conn = Conn::<_, bytes::Bytes, ClientTransaction>::new(compat(io));
+            let conn = Conn::<_, bytes::Bytes, ClientTransaction>::new(Compat::new(io));
             let mut dispatcher = Dispatcher::new(Client::new(rx), conn);
 
             // First poll is needed to allow tx to send...
@@ -719,7 +719,7 @@ mod tests {
             .build_with_handle();
 
         let (mut tx, rx) = crate::client::dispatch::channel();
-        let mut conn = Conn::<_, bytes::Bytes, ClientTransaction>::new(compat(io));
+        let mut conn = Conn::<_, bytes::Bytes, ClientTransaction>::new(Compat::new(io));
         conn.set_write_strategy_queue();
 
         let dispatcher = Dispatcher::new(Client::new(rx), conn);
@@ -750,7 +750,7 @@ mod tests {
             .build();
 
         let (mut tx, rx) = crate::client::dispatch::channel();
-        let conn = Conn::<_, bytes::Bytes, ClientTransaction>::new(compat(io));
+        let conn = Conn::<_, bytes::Bytes, ClientTransaction>::new(Compat::new(io));
         let mut dispatcher = tokio_test::task::spawn(Dispatcher::new(Client::new(rx), conn));
 
         // First poll is needed to allow tx to send...

src/proto/h1/io.rs

@@ -659,7 +659,7 @@ enum WriteStrategy {
 
 #[cfg(test)]
 mod tests {
-    use crate::common::io::compat;
+    use crate::common::io::Compat;
     use crate::common::time::Time;
 
     use super::*;
@@ -715,7 +715,7 @@ mod tests {
             .wait(Duration::from_secs(1))
             .build();
 
-        let mut buffered = Buffered::<_, Cursor<Vec<u8>>>::new(compat(mock));
+        let mut buffered = Buffered::<_, Cursor<Vec<u8>>>::new(Compat::new(mock));
 
         // We expect a `parse` to be not ready, and so can't await it directly.
         // Rather, this `poll_fn` will wrap the `Poll` result.
@@ -860,7 +860,7 @@ mod tests {
     #[cfg(debug_assertions)] // needs to trigger a debug_assert
     fn write_buf_requires_non_empty_bufs() {
         let mock = Mock::new().build();
-        let mut buffered = Buffered::<_, Cursor<Vec<u8>>>::new(compat(mock));
+        let mut buffered = Buffered::<_, Cursor<Vec<u8>>>::new(Compat::new(mock));
 
         buffered.buffer(Cursor::new(Vec::new()));
     }
@@ -895,7 +895,7 @@ mod tests {
 
         let mock = Mock::new().write(b"hello world, it's hyper!").build();
 
-        let mut buffered = Buffered::<_, Cursor<Vec<u8>>>::new(compat(mock));
+        let mut buffered = Buffered::<_, Cursor<Vec<u8>>>::new(Compat::new(mock));
         buffered.write_buf.set_strategy(WriteStrategy::Flatten);
 
         buffered.headers_buf().extend(b"hello ");
@@ -954,7 +954,7 @@ mod tests {
             .write(b"hyper!")
             .build();
 
-        let mut buffered = Buffered::<_, Cursor<Vec<u8>>>::new(compat(mock));
+        let mut buffered = Buffered::<_, Cursor<Vec<u8>>>::new(Compat::new(mock));
         buffered.write_buf.set_strategy(WriteStrategy::Queue);
 
         // we have 4 buffers, and vec IO disabled, but explicitly said

src/proto/h2/client.rs

@@ -122,7 +122,7 @@ where
     B::Error: Into<Box<dyn std::error::Error + Send + Sync>>,
 {
     let (h2_tx, mut conn) = new_builder(config)
-        .handshake::<_, SendBuf<B::Data>>(crate::common::io::compat(io))
+        .handshake::<_, SendBuf<B::Data>>(Compat::new(io))
         .await
         .map_err(crate::Error::new_h2)?;
 

src/proto/h2/server.rs

@@ -14,6 +14,7 @@ use pin_project_lite::pin_project;
 use super::{ping, PipeToSendStream, SendBuf};
 use crate::body::{Body, Incoming as IncomingBody};
 use crate::common::date;
+use crate::common::io::Compat;
 use crate::common::time::Time;
 use crate::ext::Protocol;
 use crate::headers;
@@ -90,7 +91,7 @@ where
 {
     Handshaking {
         ping_config: ping::Config,
-        hs: Handshake<crate::common::io::Compat<T>, SendBuf<B::Data>>,
+        hs: Handshake<Compat<T>, SendBuf<B::Data>>,
     },
     Serving(Serving<T, B>),
     Closed,
@@ -101,7 +102,7 @@ where
     B: Body,
 {
     ping: Option<(ping::Recorder, ping::Ponger)>,
-    conn: Connection<crate::common::io::Compat<T>, SendBuf<B::Data>>,
+    conn: Connection<Compat<T>, SendBuf<B::Data>>,
     closing: Option<crate::Error>,
 }
 
@@ -133,7 +134,7 @@ where
         if config.enable_connect_protocol {
             builder.enable_connect_protocol();
         }
-        let handshake = builder.handshake(crate::common::io::compat(io));
+        let handshake = builder.handshake(Compat::new(io));
 
         let bdp = if config.adaptive_window {
             Some(config.initial_stream_window_size)