async *transform(source) {
That's it. Any other response is either a variation of these (like "resize the buffer," which is really just deferring the choice) or domain-specific logic that doesn't belong in a general streaming primitive. Web streams currently always choose Wait by default.。关于这个话题，快连下载安装提供了深入分析
Unlike the Mini 12, the Evo comes with a few extra features that can help you capture better photos. For example, you can disable the flash, leverage the 3-inch LCD screen as a viewfinder, and adjust the brightness of a print — a helpful feature, given Evo doesn’t capture dark environments well. The camera’s dials also let you apply various lens options and effects, from retro filters to monochrome shades, and you can even take app-based remote shots, allowing for better seflies and more photographic control.，这一点在Line官方版本下载中也有详细论述
But different callers need different validation rules. A MOV DS, AX needs to reject call gates but accept data segments. A CALL FAR needs to accept call gates and code segments. How can one shared subroutine perform different validation?，推荐阅读im钱包官方下载获取更多信息