From 5419aeea15e1b1a8e8aebc832ed5b93f59c2ce63 Mon Sep 17 00:00:00 2001
From: Adam Harvey <adam@adamharvey.name>
Date: Fri, 19 Feb 2021 17:50:00 -0800
Subject: [PATCH] doc: note the EOF behaviour of `read_until`

This is completely stolen from the `read_line` documentation.
---
 tokio/src/io/util/async_buf_read_ext.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tokio/src/io/util/async_buf_read_ext.rs b/tokio/src/io/util/async_buf_read_ext.rs
index 7977a0e8cc7..233ac31c463 100644
--- a/tokio/src/io/util/async_buf_read_ext.rs
+++ b/tokio/src/io/util/async_buf_read_ext.rs
@@ -23,6 +23,8 @@ cfg_io_util! {
         ///
         /// If successful, this function will return the total number of bytes read.
         ///
+        /// If this function returns `Ok(0)`, the stream has reached EOF.
+        ///
         /// # Errors
         ///
         /// This function will ignore all instances of [`ErrorKind::Interrupted`] and