Function visit_uint64

include/jsoncons_ext/csv/csv_encoder.hpp:1167–1238

    }

    JSONCONS_VISITOR_RETURN_TYPE visit_uint64(uint64_t val, 
                      semantic_tag, 
                      const ser_context&,
                      std::error_code&) override
    {
        JSONCONS_ASSERT(!stack_.empty());
        switch (stack_.back().item_kind_)
        {
            case stack_item_kind::flat_object:
            case stack_item_kind::object:
            {
                if (stack_[0].count_ == 0)
                {
                    if (!has_column_mapping_)
                    {
                        string_type str = stack_.back().column_path_;
                        column_paths_.emplace_back(str);
                        column_path_value_map_.emplace(std::move(str), string_type{alloc_});
                    }
                }
                auto it = column_path_value_map_.find(stack_.back().column_path_);
                if (it != column_path_value_map_.end())
                {
                    write_uint64_value(val, it->second);
                }
                break;
            }
            case stack_item_kind::flat_row:
            case stack_item_kind::row:
            {
                append_array_path_component();
                auto it = column_path_value_map_.find(stack_.back().column_path_);
                if (it != column_path_value_map_.end())
                {
                    write_uint64_value(val, it->second);
                }
                break;
            }
            case stack_item_kind::stream_flat_row:
            {
                if (stack_.back().count_ > 0)
                {
                    sink_.push_back(field_delimiter_);
                }
                value_buffer_.clear();
                write_uint64_value(val, value_buffer_);
                sink_.append(value_buffer_.data(), value_buffer_.size());
                break;
            }
            case stack_item_kind::multivalued_field:
            case stack_item_kind::column_multivalued_field:
            case stack_item_kind::stream_multivalued_field:
            {
                if (!value_buffer_.empty())
                {
                    value_buffer_.push_back(subfield_delimiter_);
                }
                write_uint64_value(val, value_buffer_);