You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: multi_terms.rs
    path of file: ./repos/rucene/src/core/codec
    
    the code of the file until where you have to start completion: // Copyright 2019 Zhizhesihai (Beijing) Technology Limited.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may 
    
    fn seek_exact(&mut self, text: &[u8]) -> Result<bool> {
        self.queue.queue.clear();
        self.num_top = 0;

        let seek_opt = !self.last_seek.is_empty() && self.last_seek.as_slice() <= text;
        self.last_seek.clear();
        self.last_seek_exact = true;

        for i in 0..self.num_subs {
            // LUCENE-2130: if we had just seek'd already, prior
            // to this seek, and the new seek term is after the
            // previous one, don't try to re-seek this sub if its
            // current term is already beyond this new seek term.
            // Doing so is a waste because this sub will simply
            // seek to the same spot.
            let cur_index = self.current_subs_indexes[i];
            let status = if seek_opt {
                if !self.subs[cur_index].current.is_empty() {
                    match text.cmp(&self.subs[cur_index].current) {
                        Ordering::Equal => true,
                        Ordering::Less => false,
                        Ordering::Greater => self.subs[cur_index]
                            .terms
                            .as_mut()
                            .unwrap()
                            .seek_exact(text)?,
                    }
                } else {
                    false
                }
            } else {
                self.subs[cur_index]
                    .terms
                    .as_mut()
                    .unwrap()
                    .seek_exact(text)?
            };

            if status {
                self.top_indexes[self.num_top] = cur_index;
                self.num_top += 1;
                let term = self.subs[cur_index]
                    .terms
                    .as_mut()
                    .unwrap()
                    .term()?
                    .to_vec();
                self.subs[cur_index].current = term.clone();
                self.current = term;
                self.current_is_none = false;
            }
        }
        // if at least one sub had exact match to the requested
        // term then we found match
        Ok(self.num_top > 0)
    }