천만 눈앞 ‘왕사남’, 하루 72만 동원 속 27일 만에 900만 돌파
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.
。关于这个话题，体育直播提供了深入分析
// Receives chunks or null (flush signal)，这一点在下载安装汽水音乐中也有详细论述
UUID for this generation session