Rollup merge of #99716 - sourcelliu:iomut, r=Mark-Simulacrum

remove useless mut from examples

remove useless mut from examples
This commit is contained in:
Matthias Krüger 2022-07-26 16:57:48 +02:00 committed by GitHub
commit ea299e8f31
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@ -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