# File lib/nanoc/extra/checking/runner.rb, line 70
    def load_dsl_if_available
      @dsl_loaded ||= false
      if !@dsl_loaded
        if self.has_dsl?
          @dsl = Nanoc::Extra::Checking::DSL.from_file(self.checks_filename)
        else
          @dsl = nil
        end
        @dsl_loaded = true
      end
    end