Programming-Idioms

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2020-10-11, 00:00:04

2020-11-05, 15:12:55

Idiom #118 List to set

Create set y from list x.
x may contain duplicates. y is unordered and has no repeated values.

Create set y from list x.
x may contain duplicates. y is unordered and has no repeated values.

y,x

y,x

void main() {
  List<int> list = [1,2,3,4,5];
  list.toSet(); 
  print(list);
}

var y = x.toSet();

List<T> has a method to convert directly to Set<T>.

List<T> has a method to convert directly to Set<T>.

https://api.dart.dev/stable/2.4.0/dart-core/Set-class.html

https://api.dart.dev/stable/2.4.0/dart-core/Set-class.html

https://dartpad.dev/6c647bf2dc2cc2e7bb5516e08fa7330c

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