Handing Mustache normal Ruby objects

gistfile1.rb

class Highlighter
  def ruby(text)
    "<pre class='ruby'>#{text}</pre>"
  end

  def python(text)
    "<pre class='python'>#{text}</pre>"
  end
end

tpl = <<-END
  {{#hl.ruby}}
    def alert(thing)
      puts thing
    end
  {{/hl.ruby}}
END
puts Mustache.render(tpl, :hl => Highlighter.new)