Prism::DotVisitor#visit_singleton_class_node

# File tmp/rubies/ruby-4.0.0/lib/prism/dot_visitor.rb, line 4096
    def visit_singleton_class_node(node)
      table = Table.new("SingletonClassNode")
      id = node_id(node)

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

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

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

      # expression
      table.field("expression", port: true)
      digraph.edge("#{id}:expression -> #{node_id(node.expression)};")

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

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

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

      super
    end