wordquery.h

#ifndef _WORDQUERY_H
#define _WORDQUERY_H

#include<string>
using std::string;

#include"query_base.h"
#include"queryresult.h"
#include"textquery.h"

class WordQuery:public Query_base
{
	friend class Query;
	WordQuery(const string &s) :query_word(s){}
	QueryResult eval(const TextQuery &t) const{ return t.query(query_word); }
	string rep() const { return query_word; }

	string query_word;
};


#endif