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kotlinlang

porting native code to Kotlin, if I want to move a group of elements in an Arraylist up front, what's my best option? C++ uses `stable_partition`
```Move elements for which a predicate is true to the beginning
*         of a sequence, preserving relative ordering.```


I'm thinking about creating a new Arraylist, put there all the element as I find (and remove) them (from the original list), then inserting them all up front, one by one in the same order

also, actually I can use `partition` and add the first list into the second (original)

You could maybe also do `removeAll` then `addAll` with the respective indicies