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await chat.addQuery(Message.text(text: userInput, isUser: true));，这一点在WhatsApp Web 網頁版登入中也有详细论述
，详情可参考谷歌
“It’s all about high-scale creator ecosystems,” Tellez, the company’s creative director, said. “A new type of creator community that drives more scale, lower CPMs [cost per millage], [and] more algorithmic impact.”
No raw pointers or manual memory management. All memory is GC-managed. You cannot take the address of a variable, cast between pointer types, or free memory. This eliminates use-after-free, double-free, buffer overflows, and dangling pointers by construction.，推荐阅读whatsapp获取更多信息