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| 1 # Tuple data structure |
| 2 |
| 3 - [Tuple2], [Tuple3]... |
| 4 |
| 5 [![Build Status](https://travis-ci.org/kseo/tuple.svg)](https://travis-ci.org/ks
eo/tuple) |
| 6 [![Coverage Status](https://coveralls.io/repos/kseo/tuple/badge.svg?branch=maste
r&service=github)](https://coveralls.io/github/kseo/tuple?branch=master) |
| 7 |
| 8 ## Usage example |
| 9 |
| 10 ```dart |
| 11 const t = const Tuple2<String, int>('a', 10); |
| 12 |
| 13 print(t.item1); // prints 'a' |
| 14 print(t.item2); // prints '10' |
| 15 ``` |
| 16 |
| 17 ```dart |
| 18 final t1 = const Tuple2<String, int>('a', 10); |
| 19 final t2 = t1.withItem1('c'); |
| 20 // t2 is a new [Tuple2] object with item1 is 'c' and item2 is 10. |
| 21 ``` |
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