Method update

src/speech.rs:2062–2070

()

    }

    pub fn update() -> Result<()> {
        // Note: PreferenceManager::get() can't be part of the "if let ..." as its scope apparently includes the call to invalidate() which causes a borrow problem
        let files_changed = PreferenceManager::get().borrow_mut().is_up_to_date()?;
        if let Some(files_changed) = files_changed {
            SpeechRules::invalidate(files_changed);
        }
        PreferenceManager::get().borrow_mut().initialize(PathBuf::new())?;
        return Ok( () );
    }

    fn read_patterns(&mut self, path: &Locations) -> Result<()> {
        if let Some(p) = &path[0] {