Prism::DotVisitor#visit_splat_node

# File tmp/rubies/ruby-4.0.0/lib/prism/dot_visitor.rb, line 4180
    def visit_splat_node(node)
      table = Table.new("SplatNode")
      id = node_id(node)

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

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

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

      super
    end