以前总认为，唐人的境况，只是在无尽春山里做自己的主人。其实逍遥只是一面，加上另一面的彷徨与踟蹰，才合成完整的唐人生活图景。
Most userland implementations of custom ReadableStream instances do not typically bother with all the ceremony required to correctly implement both default and BYOB read support in a single stream – and for good reason. It's difficult to get right and most of the time consuming code is typically going to fallback on the default read path. The example below shows what a "correct" implementation would need to do. It's big, complex, and error prone, and not a level of complexity that the typical developer really wants to have to deal with:
，这一点在同城约会中也有详细论述
An oil field in Tatarstan in OPEC+ member Russia.Photographer: Bloomberg，这一点在safew官方版本下载中也有详细论述
if (stack.length 0) {，更多细节参见同城约会