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extension FirstWhereExt<T> on Iterable<T> {
/// The first element satisfying [test], or `null` if there are none.
// firstWhereOrElse doesn't want to return null.
T? firstWhereOrNull(bool Function(T element) test) {
for (final element in this) {
if (test(element)) return element;
}
return null;
}
}
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