tuple library Null safety

Tuple data structure

Usage example

const t = const Tuple2<String, int>('a', 10);

print(t.item1); // prints 'a'
print(t.item2); // prints '10'
const t1 = const Tuple2<String, int>('a', 10);
final t2 = t1.withItem1('c');
// t2 is a new [Tuple2] object with item1 is 'c' and item2 is 10.


Tuple2<T1, T2>
Represents a 2-tuple, or pair.
Tuple3<T1, T2, T3>
Represents a 3-tuple, or triple.
Tuple4<T1, T2, T3, T4>
Represents a 4-tuple, or quadruple.
Tuple5<T1, T2, T3, T4, T5>
Represents a 5-tuple, or quintuple.
Tuple6<T1, T2, T3, T4, T5, T6>
Represents a 6-tuple, or sextuple.
Tuple7<T1, T2, T3, T4, T5, T6, T7>
Represents a 7-tuple, or septuple.