Photograph: Simon Hill
This is fundamentally different from Web streams' pipeThrough(), which starts actively pumping data from the source to the transform as soon as you set up the pipe. Pull semantics mean you control when processing happens, and stopping iteration stops processing.
，这一点在旺商聊官方下载中也有详细论述
if (deflate.result) yield [deflate.result];
7Julius Petri once wrote: “These shallow dishes are particularly recommended for agar plates…Counting the grown colonies is also easy.” (Translated by Corrado Nai from the original, 1887 German manuscript.)
“一起奔向共同富裕的美好明天”