Programming in Dart: Control Flow & Collections

May 3 2022 · Dart 2.15, DartPad, DartPad

Part 2: More Collections

15. Create Sets

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Previous episode: 14. Challenge: Work with Maps Next episode: 16. Work with Sets

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So far, you’ve learned about two collection types in Dart. First you learned about a list where you can hold an ordered list of items. Then you learned about the map that allows you lookup values based on a key. Now, for the final fundamental collection type - the set.

var someSet = Set<int>();
var someSet = <int>{};
var someSet = { 1, 2, 3, 4, 1 };
for (var item in someSet) {