flutter 問題之MappedListIterableis not a subtype of type List解決
問題復現 百度翻譯下 簡而言之：map不是list子類。是這個意思把。 分析 找源碼發現我 chldren:[] 給它返回的是widget，但是它需要接收的是List 解決它 直接給它轉list 其實這是個非常低級的錯誤。。
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