/// let mut buffer = String::new();
/// let stdin = io::stdin(); // We get `Stdin` here.
/// {
-/// let mut stdin_lock = stdin.lock(); // We get `StdinLock` here.
-/// stdin_lock.read_to_string(&mut buffer)?;
+/// let mut handle = stdin.lock(); // We get `StdinLock` here.
+/// handle.read_to_string(&mut buffer)?;
/// } // `StdinLock` is dropped here.
/// Ok(())
/// }