# File lib/brakeman/checks/check_without_protection.rb, line 65
  def all_literals? call
    call.each_arg do |arg|
      if hash? arg
        hash_iterate arg do |k, v|
          unless node_type? k, :str, :lit, :false, :true and node_type? v, :str, :lit, :false, :true
            return false
          end
        end
      else
        return false
      end
    end

    true
  end