# File lib/compass/quick_cache.rb, line 6
  def quick_cache(key, ttl = 1)
    @quick_cache ||= {}
    if @quick_cache[key] && @quick_cache[key].first > Time.now - ttl
      @quick_cache[key].last
    else
      (@quick_cache[key] = [Time.now, yield]).last
    end
  end