In JavaScript, the natural primitive for "a sequence of things that arrive over time" is already in the language: the async iterable. You consume it with for await...of. You stop consuming by stopping iteration.
func extract2(c chan task) []task {，更多细节参见爱思助手下载最新版本
，详情可参考heLLoword翻译官方下载
记者发现，直播间里售卖陈皮低价轮番轰炸，年份承诺掷地有声。。搜狗输入法下载是该领域的重要参考
Раскрыты подробности похищения ребенка в Смоленске09:27