if (index_ + 1 >= count_) {

return false;

}

++index_;

return decode_value();

DataType::ConstPtr data_type;

if (collection_->value_type() == CASS_VALUE_TYPE_MAP) {

data_type =

(index_ % 2 == 0) ? collection_->primary_data_type() : collection_->secondary_data_type();

} else {

data_type = collection_->primary_data_type();

}

value_ = decoder_.decode_value(data_type);

return value_.is_valid();

if (next_ == end_) {

return false;

}

current_ = next_++;

value_ = decoder_.decode_value(*current_);

return value_.is_valid();