retainWhere method

  1. @override
void retainWhere(
  1. bool E(
    1. E
    )
)
override

Removes all elements of this set that fail to satisfy test.

final characters = <String>{'A', 'B', 'C'};
characters.retainWhere(
    (element) => element.startsWith('B') || element.startsWith('C'));
print(characters); // {B, C}

Implementation

@override
void retainWhere(bool Function(E) E) {
  value.retainWhere(E);
  Subscriber.setToRebuild(aspects);
}