DatDang
12 lines
221 B
Dart
12 lines
221 B
Dart
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extension ListExtension<T> on List<T>? {
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List<T>? unite(List<T>? other) {
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if (other != null) {
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this?.addAll(other);
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}
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return this;
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}
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bool notContains(T value) => this?.contains(value) != true;
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} |