dab246
29 lines
537 B
Dart
29 lines
537 B
Dart
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class TupleKey {
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final List<String> parts;
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TupleKey(
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String key1,
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[
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String? key2,
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String? key3
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]
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) : parts = [
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key1,
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if (key2 != null) key2,
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if (key3 != null) key3,
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];
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const TupleKey.byParts(this.parts);
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TupleKey.fromString(String multiKeyString) : parts = multiKeyString.split('|').toList();
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@override
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String toString() => parts.join('|');
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@override
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bool operator ==(other) => parts.toString() == other.toString();
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@override
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int get hashCode => Object.hashAll(parts);
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} |