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add length and Type judgment #41

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add length and Type judgment #41

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22 changes: 22 additions & 0 deletions lib/tuple.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,8 @@ class Tuple2<T1, T2> {
List toList({bool growable = false}) =>
List.from([item1, item2], growable: growable);

int get length => 2;

@override
String toString() => '[$item1, $item2]';

Expand Down Expand Up @@ -105,6 +107,8 @@ class Tuple3<T1, T2, T3> {
List toList({bool growable = false}) =>
List.from([item1, item2, item3], growable: growable);

int get length => 3;

@override
String toString() => '[$item1, $item2, $item3]';

Expand Down Expand Up @@ -170,6 +174,8 @@ class Tuple4<T1, T2, T3, T4> {
List toList({bool growable = false}) =>
List.from([item1, item2, item3, item4], growable: growable);

int get length => 4;

@override
String toString() => '[$item1, $item2, $item3, $item4]';

Expand Down Expand Up @@ -243,6 +249,8 @@ class Tuple5<T1, T2, T3, T4, T5> {
List toList({bool growable = false}) =>
List.from([item1, item2, item3, item4, item5], growable: growable);

int get length => 5;

@override
String toString() => '[$item1, $item2, $item3, $item4, $item5]';

Expand Down Expand Up @@ -330,6 +338,8 @@ class Tuple6<T1, T2, T3, T4, T5, T6> {
List toList({bool growable = false}) =>
List.from([item1, item2, item3, item4, item5, item6], growable: growable);

int get length => 6;

@override
String toString() => '[$item1, $item2, $item3, $item4, $item5, $item6]';

Expand Down Expand Up @@ -440,6 +450,8 @@ class Tuple7<T1, T2, T3, T4, T5, T6, T7> {
List.from([item1, item2, item3, item4, item5, item6, item7],
growable: growable);

int get length => 7;

@override
String toString() =>
'[$item1, $item2, $item3, $item4, $item5, $item6, $item7]';
Expand All @@ -466,3 +478,13 @@ class Tuple7<T1, T2, T3, T4, T5, T6, T7> {
item7.hashCode
]);
}


bool isTuple(dynamic obj) {
return obj is Tuple2 ||
obj is Tuple3 ||
obj is Tuple4 ||
obj is Tuple5 ||
obj is Tuple6 ||
obj is Tuple7;
}