Use of filters in search

[marcbowes]

Currently this code exists:

// connection.rs
    pub fn search(&mut self,
                  base: String,
                  scope: Scope,
                  alias: DerefAlias,
                  size_limit: i32,
                  time_limit: i32,
                  types_only: bool,
                  filters: Tag, // TODO: Figure something out...
                  attributes: Vec<String>
           ) -> LDAPResult<Vec<Entry>>
    {

It looks like there is a whole layer (or more) of extraction missing for filters. In lieu of that, I have no idea how to do basic searches e.g. cn=whatever. I tried something like this, but honestly I'm pretty lost.. :)

let filters = {
        let payload = Payload::Primitive(Vec::from("(cn=whatever)".as_bytes()));
        Tag::new(Class::Universal(Type::GeneralString), payload)
    };

Is this something that can be done with the library as it stands today? I don't have very complicated requirements, so a workaround would be fine..