Method run

examples/block5.rs:40–46

Run the `cd` command.

(self)

        /// Run the `cd` command.
        pub fn run(self) -> Result<Option<Output>> {
            // `std::env::set_current_dir` changes the current directory of the process
            // (our shell in this case).
            std::env::set_current_dir(&self.dir)?;
            // The `cd` command doesn't produce any output.
            Ok(None)
        }
    }

    /// The `exit` command exits the shell.