From 9a1b076c0084e2bca8558818bffd2273ec5ae5bd Mon Sep 17 00:00:00 2001
From: Paolo Barbolini <paolo.barbolini@m4ss.net>
Date: Sun, 23 Nov 2025 10:26:48 +0100
Subject: [PATCH] io: replace `Result<T, io::Error>` with `io::Result<T>` in
 `AsyncWrite` (#7740)

---
 tokio/src/io/async_write.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tokio/src/io/async_write.rs b/tokio/src/io/async_write.rs
index e7da1a9c0..3c315a1bf 100644
--- a/tokio/src/io/async_write.rs
+++ b/tokio/src/io/async_write.rs
@@ -54,7 +54,7 @@ pub trait AsyncWrite {
         self: Pin<&mut Self>,
         cx: &mut Context<'_>,
         buf: &[u8],
-    ) -> Poll<Result<usize, io::Error>>;
+    ) -> Poll<io::Result<usize>>;
 
     /// Attempts to flush the object, ensuring that any buffered data reach
     /// their destination.
@@ -65,7 +65,7 @@ pub trait AsyncWrite {
     /// `Poll::Pending` and arranges for the current task (via
     /// `cx.waker()`) to receive a notification when the object can make
     /// progress towards flushing.
-    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), io::Error>>;
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>>;
 
     /// Initiates or attempts to shut down this writer, returning success when
     /// the I/O connection has completely shut down.
@@ -125,7 +125,7 @@ pub trait AsyncWrite {
     ///
     /// This function will panic if not called within the context of a future's
     /// task.
-    fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), io::Error>>;
+    fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>>;
 
     /// Like [`poll_write`], except that it writes from a slice of buffers.
     ///
@@ -154,7 +154,7 @@ pub trait AsyncWrite {
         self: Pin<&mut Self>,
         cx: &mut Context<'_>,
         bufs: &[IoSlice<'_>],
-    ) -> Poll<Result<usize, io::Error>> {
+    ) -> Poll<io::Result<usize>> {
         let buf = bufs
             .iter()
             .find(|b| !b.is_empty())