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.
const combined = concat(pending, ...chunks);
，这一点在搜狗输入法2026中也有详细论述
const compressed = Stream.pullSync(source, zlibCompressSync);
Role, BBC高級體育記者,