列(儿童:[题(问题[_questionIndex] ['questionText'],),...(问题[_questionIndex] ['answers']作为列表).map((answer){返回答案(_answerQuestion,答案);} .toList()],)
Column(
children: [
Question( questions[_questionIndex]['questionText'], ), ...
( // I guess this brace should not be here
questions[_questionIndex]['answers'] as List).map((answer) {
return Answer(_answerQuestion, answer);
}).toList()
],
)
因此,该列存在一个问题小部件和一些答案小部件。您需要更多详细信息吗?