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kotlinlang

Greetings. Assuming I have:
```Map&lt;Int,List&lt;ONE&gt;&gt;
Map&lt;Int,List&lt;TWO&gt;&gt;
...
Map&lt;Int,List&lt;N&gt;&gt;```
Is there any "instrument" I can zip it to `Map&lt;Int, Tuple&lt;ONE,TWO,...,N&gt;&gt;` where ints represent unique numbers which present in each Map?

The only thing I implemented for now is `Map.align(Map)` and manual folding for `Ior&lt;List&lt;One&gt;,List&lt;Two&gt;&gt;`... Looks ugly, but does what I want :slightly_smiling_face:

Seems like that can be improved with `NonEmptyList`s...

I'm not sure I understand your use-case correctly.

You can use `zip` but that only combines if the same key is present for all maps.

Not sure how you want to turn `List&lt;ONE&gt;` and `List&lt;TWO&gt;` into `Pair&lt;ONE, TWO&gt;`