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marcinOz/iterable_ext.dart

Created June 10, 2020 18:53
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iterable_ext.dart
extension IterableExt<T> on Iterable<T> {
bool containsAll(Iterable<T> list) {
for (final item in list) {
if (!contains(item)) return false;
}
return true;
}
T findOrNull(bool Function(T) where) => firstWhere(where, orElse: () => null);
}
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