Method filter

example/Version-4.0.0 ( Materialized View )/example.rs:79–86

Return None or Some(view_name)

(&self)

    // Return None or Some(view_name)
    fn filter(&self) -> Option<String> {
        match (&self.account_type, self.access_level) {
            
            (AccountType::Admin, 1, )  => Some(format!("Super Admin")),
            (AccountType::Admin, _, )  => Some(format!("Admin")),
            (AccountType::Guest, _, )  => None,                 
        }
    }
}