set-comprehension-in-dart.dart

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import 'dart:developer' as devtools show log;

extension Log on Object {
  void log() => devtools.log(toString());
}

void testIt() {
  final values = {
    for (final value in 'abracadabra'.characters)
      'abc'.contains(value) ? null : value
  }
    ..removeAll([null])
    ..cast<Set<String>>();
  values.log(); // {r, d}
}