Method cd

std/src/storage/mod.rs:515–534

Changes the current location. Given that we currently do not support directories, the location can only be of the forms `DRIVE:` or `DRIVE:/`.

(&mut self, location: &str)

    /// Given that we currently do not support directories, the location can only be of the forms
    /// `DRIVE:` or `DRIVE:/`.
    pub fn cd(&mut self, location: &str) -> io::Result<()> {
        let location = Location::new(location)?;
        if location.leaf_name().is_some() {
            return Err(io::Error::new(io::ErrorKind::InvalidInput, "Cannot cd to a file"));
        }

        match location.drive {
            Some(drive) => {
                if !self.drives.contains_key(&drive) {
                    return Err(io::Error::new(
                        io::ErrorKind::AlreadyExists,
                        format!("Drive '{}' is not mounted", drive),
                    ));
                }
                self.current = drive;
                Ok(())
            }
            None => Ok(()),
        }
    }

    /// Returns the current location, used to resolve relative paths.
    pub fn cwd(&self) -> String {