# File lib/nanoc/extra/checking/runner.rb, line 103
    def check_classes_named(n)
      classes = n.map do |a|
        klass = Nanoc::Extra::Checking::Check.named(a)
        raise Nanoc::Errors::GenericTrivial, "Unknown check: #{a}" if klass.nil?
        klass
      end
    end