#ifndef EXPRESSION_FACTORY_HPP
#define EXPRESSION_FACTORY_HPP

#include "Expression.hpp"

template<typename T>
struct ExpressionFactory {
  ExpressionFactory() : id(0) { }
  Expression<T> createExpression(Operator<T>* op, std::vector< Expression<T> > args) {
    return Expression<T>(id++, op, args);
  }
  unsigned int count() const {
    return id;
  }
  private:
  unsigned int id;
};

#endif