aaronksaunders · June 19, 2019 16:37
diff --git a/Markdium-Dart.dart b/Markdium-Dart.dart
 import 'dart:collection';
 import 'package:flutter/material.dart';

 class Item {
  String name;
  num price;

  Item(this.name, this.price);
 }

 class CartModel extends ChangeNotifier {
  /// Internal, private state of the cart.
  final List _items = [];

  /// An unmodifiable view of the items in the cart.
  UnmodifiableListView get items => UnmodifiableListView(_items);


  /// Adds [item] to cart. This is the only way to modify the cart from outside.
  void add(Item item) {
    _items.add(item);
    // This call tells the widgets that are listening to this model to rebuild.
    notifyListeners();
  }
 }
	import 'dart:collection';
	import 'package:flutter/material.dart';

	class Item {
	String name;
	num price;

	Item(this.name, this.price);
	}

	class CartModel extends ChangeNotifier {
	/// Internal, private state of the cart.
	final List _items = [];

	/// An unmodifiable view of the items in the cart.
	UnmodifiableListView get items => UnmodifiableListView(_items);


	/// Adds [item] to cart. This is the only way to modify the cart from outside.
	void add(Item item) {
	_items.add(item);
	// This call tells the widgets that are listening to this model to rebuild.
	notifyListeners();
	}
	}