阿爸局促地笑了笑：“过去玩玩而已，一会儿就回来了。”
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:
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A 38-year-old man has been arrested after the statue of Winston Churchill outside the Houses of Parliament was defaced with graffiti calling the former prime minister a “Zionist war criminal”.
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