CODEWITHSUNDEEP
flutterlistdartcomparedifference
Abir Ahsan
Abir Ahsan

Reputation: 3049

Dart : Compare between different type of list

I have two type of list. Here,

List list1= [
  {"id": "3", "topic_name": "Studying In Bangladesh"},
  {"id": "4", "topic_name": "Studying In Sweden"},
  {"id": "6", "topic_name": "Studying In Germany"},
];

List list2 = [
  "2",
  "3",
  "5",
  "6",
];

I want to generate a new topic list from list1, which is matched by list2's elements ( with list1's id ).

Is there any method are available for dart ?

Upvotes: 0

Views: 174

Answers (2)

Renik Shiroya
Renik Shiroya

Reputation: 369

You can compare list1's id element with the list 2 with the foreach property in list for iterate through all elements of the list

Upvotes: 0

Ivo
Ivo

Reputation: 23164

You can do this:

List list3 = list1.where((e) => list2.contains(e['id'])).toList();

Upvotes: 1

Related Questions