skip to Main Content

i am trying to use map function in flutter

VSCode show me this problem notification: Exception has occurred. NoSuchMethodError (NoSuchMethodError: The method 'map' was called on null. Receiver: null Tried calling: map(Closure: (String) => Answer)) this is the main library code: import 'package:flutter/material.dart'; import './question.dart'; import 'answer.dart'; void main()…

VIEW QUESTION
Back To Top
Search