/// use std::io::IoSlice;
/// use std::ops::Deref;
///
- /// let mut data = [1; 8];
- /// let mut buf = IoSlice::new(&mut data);
+ /// let data = [1; 8];
+ /// let mut buf = IoSlice::new(&data);
///
/// // Mark 3 bytes as read.
/// buf.advance(3);
/// use std::fs::File;
///
/// fn main() -> std::io::Result<()> {
- /// let mut data1 = [1; 8];
- /// let mut data2 = [15; 8];
- /// let io_slice1 = IoSlice::new(&mut data1);
- /// let io_slice2 = IoSlice::new(&mut data2);
+ /// let data1 = [1; 8];
+ /// let data2 = [15; 8];
+ /// let io_slice1 = IoSlice::new(&data1);
+ /// let io_slice2 = IoSlice::new(&data2);
///
/// let mut buffer = File::create("foo.txt")?;
///