gistfile1.txt

  let mut records = vec![];
    while reader.read_line(&mut s).unwrap() > 0 {
        let line = s.clone();
        let line: Vec<&str> = line.trim().split("\t").collect();

        let mut matched = true;
        for (column, filter_types) in &filters {
            let exact = filter_types.get("exact").unwrap();
            let contains = filter_types.get("contains").unwrap();
            let col = header_map.get(column).unwrap();

            for value in exact {
                if line[*col] != value {
                   matched = false; 
                   break;
                }
            }

            for value in contains {
                if !line[*col].contains(value) {
                   matched = false; 
                   break;
                }
            }

            if !matched {
                break;
            }
        }

        if matched {
            seen += 1;
            if seen > query.offset {
                let record = line.clone();
                records.push(record.to_string());
                counted += 1;

                if counted >= query.limit {

                }
            }
        }
        s.clear();
    }
    println!("{}", counted);
    Ok(Response::with(status::Ok))
}