equescodebelike

import 'dart:async';

class Result {
  final dynamic value;
  final bool isSuccess;
  
  Result.success(this.value) : isSuccess = true;
  Result.error() : value = null, isSuccess = false;
}

equescodebelike

import 'dart:async';

import 'package:flutter/material.dart';

typedef LoadingBuilder = Widget Function(BuildContext);
typedef DataBuilder<T> = Widget Function(BuildContext, T?);
typedef ErrorBuilder<T> = Widget Function(BuildContext, dynamic, T?);

class FutureUpdater<T> extends StatefulWidget {
  const FutureUpdater({