415 lines
14 KiB
Dart
415 lines
14 KiB
Dart
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import 'package:guru_utils/hash/hash.dart';
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/// Created by Haoyi on 2020/12/18
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/// Represents a 2-tuple, or pair.
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class Tuple2<T1, T2> {
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/// Returns the first item of the tuple
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final T1 item1;
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/// Returns the second item of the tuple
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final T2 item2;
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/// Creates a new tuple value with the specified items.
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const Tuple2(this.item1, this.item2);
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/// Create a new tuple value with the specified list [items].
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factory Tuple2.fromList(List items) {
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if (items.length != 2) {
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throw ArgumentError('items must have length 2');
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}
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return Tuple2<T1, T2>(items[0] as T1, items[1] as T2);
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}
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/// Returns a tuple with the first item set to the specified value.
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Tuple2<T1, T2> withItem1(T1 v) => Tuple2<T1, T2>(v, item2);
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/// Returns a tuple with the second item set to the specified value.
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Tuple2<T1, T2> withItem2(T2 v) => Tuple2<T1, T2>(item1, v);
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/// Creates a [List] containing the items of this [Tuple2].
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///
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/// The elements are in item order. The list is variable-length
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/// if [growable] is true.
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List toList({bool growable = false}) => List.from([item1, item2], growable: growable);
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@override
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String toString() => '[$item1, $item2]';
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@override
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bool operator ==(Object other) => other is Tuple2 && other.item1 == item1 && other.item2 == item2;
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@override
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int get hashCode => hash2(item1.hashCode, item2.hashCode);
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}
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/// Represents a 3-tuple, or triple.
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class Tuple3<T1, T2, T3> {
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/// Returns the first item of the tuple
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final T1 item1;
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/// Returns the second item of the tuple
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final T2 item2;
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/// Returns the third item of the tuple
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final T3 item3;
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/// Creates a new tuple value with the specified items.
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const Tuple3(this.item1, this.item2, this.item3);
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/// Create a new tuple value with the specified list [items].
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factory Tuple3.fromList(List items) {
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if (items.length != 3) {
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throw ArgumentError('items must have length 3');
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}
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return Tuple3<T1, T2, T3>(items[0] as T1, items[1] as T2, items[2] as T3);
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}
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/// Returns a tuple with the first item set to the specified value.
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Tuple3<T1, T2, T3> withItem1(T1 v) => Tuple3<T1, T2, T3>(v, item2, item3);
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/// Returns a tuple with the second item set to the specified value.
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Tuple3<T1, T2, T3> withItem2(T2 v) => Tuple3<T1, T2, T3>(item1, v, item3);
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/// Returns a tuple with the third item set to the specified value.
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Tuple3<T1, T2, T3> withItem3(T3 v) => Tuple3<T1, T2, T3>(item1, item2, v);
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/// Creates a [List] containing the items of this [Tuple3].
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///
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/// The elements are in item order. The list is variable-length
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/// if [growable] is true.
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List toList({bool growable = false}) => List.from([item1, item2, item3], growable: growable);
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@override
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String toString() => '[$item1, $item2, $item3]';
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@override
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bool operator ==(Object other) =>
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other is Tuple3 && other.item1 == item1 && other.item2 == item2 && other.item3 == item3;
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@override
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int get hashCode => hash3(item1.hashCode, item2.hashCode, item3.hashCode);
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}
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/// Represents a 4-tuple, or quadruple.
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class Tuple4<T1, T2, T3, T4> {
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/// Returns the first item of the tuple
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final T1 item1;
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/// Returns the second item of the tuple
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final T2 item2;
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/// Returns the third item of the tuple
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final T3 item3;
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/// Returns the fourth item of the tuple
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final T4 item4;
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/// Creates a new tuple value with the specified items.
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const Tuple4(this.item1, this.item2, this.item3, this.item4);
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/// Create a new tuple value with the specified list [items].
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factory Tuple4.fromList(List items) {
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if (items.length != 4) {
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throw ArgumentError('items must have length 4');
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}
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return Tuple4<T1, T2, T3, T4>(items[0] as T1, items[1] as T2, items[2] as T3, items[3] as T4);
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}
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/// Returns a tuple with the first item set to the specified value.
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Tuple4<T1, T2, T3, T4> withItem1(T1 v) => Tuple4<T1, T2, T3, T4>(v, item2, item3, item4);
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/// Returns a tuple with the second item set to the specified value.
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Tuple4<T1, T2, T3, T4> withItem2(T2 v) => Tuple4<T1, T2, T3, T4>(item1, v, item3, item4);
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/// Returns a tuple with the third item set to the specified value.
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Tuple4<T1, T2, T3, T4> withItem3(T3 v) => Tuple4<T1, T2, T3, T4>(item1, item2, v, item4);
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/// Returns a tuple with the fourth item set to the specified value.
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Tuple4<T1, T2, T3, T4> withItem4(T4 v) => Tuple4<T1, T2, T3, T4>(item1, item2, item3, v);
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/// Creates a [List] containing the items of this [Tuple4].
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///
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/// The elements are in item order. The list is variable-length
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/// if [growable] is true.
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List toList({bool growable = false}) =>
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List.from([item1, item2, item3, item4], growable: growable);
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@override
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String toString() => '[$item1, $item2, $item3, $item4]';
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@override
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bool operator ==(Object other) =>
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other is Tuple4 &&
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other.item1 == item1 &&
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other.item2 == item2 &&
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other.item3 == item3 &&
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other.item4 == item4;
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@override
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int get hashCode => hash4(item1.hashCode, item2.hashCode, item3.hashCode, item4.hashCode);
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}
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/// Represents a 5-tuple, or quintuple.
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class Tuple5<T1, T2, T3, T4, T5> {
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/// Returns the first item of the tuple
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final T1 item1;
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/// Returns the second item of the tuple
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final T2 item2;
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/// Returns the third item of the tuple
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final T3 item3;
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/// Returns the fourth item of the tuple
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final T4 item4;
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/// Returns the fifth item of the tuple
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final T5 item5;
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/// Creates a new tuple value with the specified items.
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const Tuple5(this.item1, this.item2, this.item3, this.item4, this.item5);
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/// Create a new tuple value with the specified list [items].
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factory Tuple5.fromList(List items) {
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if (items.length != 5) {
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throw ArgumentError('items must have length 5');
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}
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return Tuple5<T1, T2, T3, T4, T5>(
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items[0] as T1, items[1] as T2, items[2] as T3, items[3] as T4, items[4] as T5);
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}
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/// Returns a tuple with the first item set to the specified value.
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Tuple5<T1, T2, T3, T4, T5> withItem1(T1 v) =>
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Tuple5<T1, T2, T3, T4, T5>(v, item2, item3, item4, item5);
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/// Returns a tuple with the second item set to the specified value.
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Tuple5<T1, T2, T3, T4, T5> withItem2(T2 v) =>
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Tuple5<T1, T2, T3, T4, T5>(item1, v, item3, item4, item5);
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/// Returns a tuple with the third item set to the specified value.
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Tuple5<T1, T2, T3, T4, T5> withItem3(T3 v) =>
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Tuple5<T1, T2, T3, T4, T5>(item1, item2, v, item4, item5);
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/// Returns a tuple with the fourth item set to the specified value.
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Tuple5<T1, T2, T3, T4, T5> withItem4(T4 v) =>
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Tuple5<T1, T2, T3, T4, T5>(item1, item2, item3, v, item5);
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/// Returns a tuple with the fifth item set to the specified value.
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Tuple5<T1, T2, T3, T4, T5> withItem5(T5 v) =>
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Tuple5<T1, T2, T3, T4, T5>(item1, item2, item3, item4, v);
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/// Creates a [List] containing the items of this [Tuple5].
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///
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/// The elements are in item order. The list is variable-length
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/// if [growable] is true.
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List toList({bool growable = false}) =>
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List.from([item1, item2, item3, item4, item5], growable: growable);
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@override
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String toString() => '[$item1, $item2, $item3, $item4, $item5]';
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@override
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bool operator ==(Object other) =>
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other is Tuple5 &&
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other.item1 == item1 &&
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other.item2 == item2 &&
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other.item3 == item3 &&
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other.item4 == item4 &&
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other.item5 == item5;
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@override
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int get hashCode =>
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hashObjects([item1.hashCode, item2.hashCode, item3.hashCode, item4.hashCode, item5.hashCode]);
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}
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/// Represents a 6-tuple, or sextuple.
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class Tuple6<T1, T2, T3, T4, T5, T6> {
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/// Returns the first item of the tuple
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final T1 item1;
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/// Returns the second item of the tuple
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final T2 item2;
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/// Returns the third item of the tuple
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final T3 item3;
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/// Returns the fourth item of the tuple
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final T4 item4;
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/// Returns the fifth item of the tuple
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final T5 item5;
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/// Returns the sixth item of the tuple
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final T6 item6;
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/// Creates a new tuple value with the specified items.
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const Tuple6(this.item1, this.item2, this.item3, this.item4, this.item5, this.item6);
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/// Create a new tuple value with the specified list [items].
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factory Tuple6.fromList(List items) {
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if (items.length != 6) {
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throw ArgumentError('items must have length 6');
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}
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return Tuple6<T1, T2, T3, T4, T5, T6>(items[0] as T1, items[1] as T2, items[2] as T3,
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items[3] as T4, items[4] as T5, items[5] as T6);
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}
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/// Returns a tuple with the first item set to the specified value.
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Tuple6<T1, T2, T3, T4, T5, T6> withItem1(T1 v) =>
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Tuple6<T1, T2, T3, T4, T5, T6>(v, item2, item3, item4, item5, item6);
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/// Returns a tuple with the second item set to the specified value.
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Tuple6<T1, T2, T3, T4, T5, T6> withItem2(T2 v) =>
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Tuple6<T1, T2, T3, T4, T5, T6>(item1, v, item3, item4, item5, item6);
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/// Returns a tuple with the third item set to the specified value.
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Tuple6<T1, T2, T3, T4, T5, T6> withItem3(T3 v) =>
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Tuple6<T1, T2, T3, T4, T5, T6>(item1, item2, v, item4, item5, item6);
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/// Returns a tuple with the fourth item set to the specified value.
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Tuple6<T1, T2, T3, T4, T5, T6> withItem4(T4 v) =>
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Tuple6<T1, T2, T3, T4, T5, T6>(item1, item2, item3, v, item5, item6);
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/// Returns a tuple with the fifth item set to the specified value.
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Tuple6<T1, T2, T3, T4, T5, T6> withItem5(T5 v) =>
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Tuple6<T1, T2, T3, T4, T5, T6>(item1, item2, item3, item4, v, item6);
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/// Returns a tuple with the sixth item set to the specified value.
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Tuple6<T1, T2, T3, T4, T5, T6> withItem6(T6 v) =>
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Tuple6<T1, T2, T3, T4, T5, T6>(item1, item2, item3, item4, item5, v);
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/// Creates a [List] containing the items of this [Tuple5].
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///
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/// The elements are in item order. The list is variable-length
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/// if [growable] is true.
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List toList({bool growable = false}) =>
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List.from([item1, item2, item3, item4, item5, item6], growable: growable);
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@override
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String toString() => '[$item1, $item2, $item3, $item4, $item5, $item6]';
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@override
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bool operator ==(Object other) =>
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other is Tuple6 &&
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other.item1 == item1 &&
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other.item2 == item2 &&
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other.item3 == item3 &&
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other.item4 == item4 &&
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other.item5 == item5 &&
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other.item6 == item6;
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@override
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int get hashCode => hashObjects([
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item1.hashCode,
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item2.hashCode,
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item3.hashCode,
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item4.hashCode,
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item5.hashCode,
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item6.hashCode
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]);
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}
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/// Represents a 7-tuple, or septuple.
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class Tuple7<T1, T2, T3, T4, T5, T6, T7> {
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/// Returns the first item of the tuple
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final T1 item1;
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/// Returns the second item of the tuple
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final T2 item2;
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/// Returns the third item of the tuple
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final T3 item3;
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/// Returns the fourth item of the tuple
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final T4 item4;
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/// Returns the fifth item of the tuple
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final T5 item5;
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/// Returns the sixth item of the tuple
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final T6 item6;
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/// Returns the seventh item of the tuple
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final T7 item7;
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/// Creates a new tuple value with the specified items.
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const Tuple7(this.item1, this.item2, this.item3, this.item4, this.item5, this.item6, this.item7);
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/// Create a new tuple value with the specified list [items].
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factory Tuple7.fromList(List items) {
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if (items.length != 7) {
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throw ArgumentError('items must have length 7');
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}
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return Tuple7<T1, T2, T3, T4, T5, T6, T7>(items[0] as T1, items[1] as T2, items[2] as T3,
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items[3] as T4, items[4] as T5, items[5] as T6, items[6] as T7);
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}
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/// Returns a tuple with the first item set to the specified value.
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Tuple7<T1, T2, T3, T4, T5, T6, T7> withItem1(T1 v) =>
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Tuple7<T1, T2, T3, T4, T5, T6, T7>(v, item2, item3, item4, item5, item6, item7);
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/// Returns a tuple with the second item set to the specified value.
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Tuple7<T1, T2, T3, T4, T5, T6, T7> withItem2(T2 v) =>
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Tuple7<T1, T2, T3, T4, T5, T6, T7>(item1, v, item3, item4, item5, item6, item7);
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/// Returns a tuple with the third item set to the specified value.
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Tuple7<T1, T2, T3, T4, T5, T6, T7> withItem3(T3 v) =>
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Tuple7<T1, T2, T3, T4, T5, T6, T7>(item1, item2, v, item4, item5, item6, item7);
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/// Returns a tuple with the fourth item set to the specified value.
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Tuple7<T1, T2, T3, T4, T5, T6, T7> withItem4(T4 v) =>
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Tuple7<T1, T2, T3, T4, T5, T6, T7>(item1, item2, item3, v, item5, item6, item7);
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/// Returns a tuple with the fifth item set to the specified value.
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Tuple7<T1, T2, T3, T4, T5, T6, T7> withItem5(T5 v) =>
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Tuple7<T1, T2, T3, T4, T5, T6, T7>(item1, item2, item3, item4, v, item6, item7);
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/// Returns a tuple with the sixth item set to the specified value.
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Tuple7<T1, T2, T3, T4, T5, T6, T7> withItem6(T6 v) =>
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Tuple7<T1, T2, T3, T4, T5, T6, T7>(item1, item2, item3, item4, item5, v, item7);
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/// Returns a tuple with the seventh item set to the specified value.
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Tuple7<T1, T2, T3, T4, T5, T6, T7> withItem7(T7 v) =>
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Tuple7<T1, T2, T3, T4, T5, T6, T7>(item1, item2, item3, item4, item5, item6, v);
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/// Creates a [List] containing the items of this [Tuple5].
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///
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/// The elements are in item order. The list is variable-length
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/// if [growable] is true.
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List toList({bool growable = false}) =>
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List.from([item1, item2, item3, item4, item5, item6, item7], growable: growable);
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@override
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String toString() => '[$item1, $item2, $item3, $item4, $item5, $item6, $item7]';
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@override
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bool operator ==(Object other) =>
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other is Tuple7 &&
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other.item1 == item1 &&
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other.item2 == item2 &&
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other.item3 == item3 &&
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other.item4 == item4 &&
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other.item5 == item5 &&
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other.item6 == item6 &&
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other.item7 == item7;
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@override
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int get hashCode => hashObjects([
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item1.hashCode,
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item2.hashCode,
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item3.hashCode,
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item4.hashCode,
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item5.hashCode,
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item6.hashCode,
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item7.hashCode
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]);
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}
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