Prism::DotVisitor#visit_def_node

# File tmp/rubies/ruby-4.0.0/lib/prism/dot_visitor.rb, line 1486
    def visit_def_node(node)
      table = Table.new("DefNode")
      id = node_id(node)

      # name
      table.field("name", node.name.inspect)

      # name_loc
      table.field("name_loc", location_inspect(node.name_loc))

      # receiver
      unless (receiver = node.receiver).nil?
        table.field("receiver", port: true)
        digraph.edge("#{id}:receiver -> #{node_id(receiver)};")
      end

      # parameters
      unless (parameters = node.parameters).nil?
        table.field("parameters", port: true)
        digraph.edge("#{id}:parameters -> #{node_id(parameters)};")
      end

      # body
      unless (body = node.body).nil?
        table.field("body", port: true)
        digraph.edge("#{id}:body -> #{node_id(body)};")
      end

      # locals
      table.field("locals", node.locals.inspect)

      # def_keyword_loc
      table.field("def_keyword_loc", location_inspect(node.def_keyword_loc))

      # operator_loc
      unless (operator_loc = node.operator_loc).nil?
        table.field("operator_loc", location_inspect(operator_loc))
      end

      # lparen_loc
      unless (lparen_loc = node.lparen_loc).nil?
        table.field("lparen_loc", location_inspect(lparen_loc))
      end

      # rparen_loc
      unless (rparen_loc = node.rparen_loc).nil?
        table.field("rparen_loc", location_inspect(rparen_loc))
      end

      # equal_loc
      unless (equal_loc = node.equal_loc).nil?
        table.field("equal_loc", location_inspect(equal_loc))
      end

      # end_keyword_loc
      unless (end_keyword_loc = node.end_keyword_loc).nil?
        table.field("end_keyword_loc", location_inspect(end_keyword_loc))
      end

      digraph.nodes << <<~DOT
        #{id} [
          label=<#{table.to_dot.gsub(/\n/, "\n  ")}>
        ];
      DOT

      super
    end