给定以下代码:#includeenumError{ERR_OK=0};structFilter:privateboost::noncopyable{Filter(){}virtual~Filter(){}virtualintfilter(int*data)const=0;};structSpecialFilter:publicFilter,privateboost::noncopyable{inlineSpecialFilter(unsignedintmin,unsignedintmax):min(min),max(max){}virtual~SpecialFilter(){}virt