Github user tobwiens commented on the pull request:
https://github.com/apache/incubator-flink/pull/44#issuecomment-47318464
What is the benefit for the user then?
That behavior can be implemented outside the class as well.
```Tuple2<T1, T0> swapped = new Tuple2<T1, T0>(tuple.f1, tuple.f0);```
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