Web streams has no synchronous path. Even if your source has data ready and your transform is a pure function, you still pay for promise creation and microtask scheduling on every operation. Promises are fantastic for cases in which waiting is actually necessary, but they aren't always necessary. The new API lets you stay in sync-land when that's what you need.
have a heap allocation.
，这一点在51吃瓜中也有详细论述
Мощный удар Израиля по Ирану попал на видео09:41
Овечкин продлил безголевую серию в составе Вашингтона09:40