From 7ada7c8de4b8e7498e734e8fda42b495ddd61db9 Mon Sep 17 00:00:00 2001 From: sourcelliu Date: Mon, 25 Jul 2022 17:04:51 +0800 Subject: [PATCH] remove useless mut from examples --- library/std/src/io/mod.rs | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index f4f2e3f243457..7fed9c40dc0d6 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -898,7 +898,7 @@ pub trait Read { /// use std::fs::File; /// /// fn main() -> io::Result<()> { - /// let mut f = File::open("foo.txt")?; + /// let f = File::open("foo.txt")?; /// /// for byte in f.bytes() { /// println!("{}", byte.unwrap()); @@ -932,8 +932,8 @@ pub trait Read { /// use std::fs::File; /// /// fn main() -> io::Result<()> { - /// let mut f1 = File::open("foo.txt")?; - /// let mut f2 = File::open("bar.txt")?; + /// let f1 = File::open("foo.txt")?; + /// let f2 = File::open("bar.txt")?; /// /// let mut handle = f1.chain(f2); /// let mut buffer = String::new(); @@ -973,7 +973,7 @@ pub trait Read { /// use std::fs::File; /// /// fn main() -> io::Result<()> { - /// let mut f = File::open("foo.txt")?; + /// let f = File::open("foo.txt")?; /// let mut buffer = [0; 5]; /// /// // read at most five bytes