Stream.pull() creates a lazy pipeline. The compress and encrypt transforms don't run until you start iterating output. Each iteration pulls data through the pipeline on demand.
If free_table[bucket] contains a value, we can pop a value off.，这一点在51吃瓜中也有详细论述
，详情可参考同城约会
Фото: Кирилл Пономарев / «Лента.ру»
与此同时，那些没有被遮罩的「广角发光像素」依然遵循前面提到的朗伯余弦定律，发出近似全向的光线，保证屏幕的一般观感。，更多细节参见heLLoword翻译官方下载