class Rufo::Formatter

def visit_args_add_star(node)
  # [:args_add_star, args, star, post_args]
  _, args, star, *post_args = node
  if newline? || comment?
    needs_indent = true
    base_column = next_indent
  else
    base_column = @column
  end
  if !args.empty? && args[0] == :args_add_star
    # arg1, ..., *star
    visit args
  elsif !args.empty?
    visit_comma_separated_list args
  else
    consume_end_of_line if needs_indent
  end
  skip_space
  write_params_comma if comma?
  write_indent(base_column) if needs_indent
  consume_op "*"
  skip_space_or_newline
  # The name of rest arguments might be omitted.
  if star
    visit star
  end
  if post_args && !post_args.empty?
    write_params_comma
    visit_comma_separated_list post_args, needs_indent: needs_indent, base_column: base_column
  end
end