I have an `ArrayList<Int>`, is there any stl...

# announcements

[elect]

I have an ArrayList<Int>, is there any stlib to get rid of duplicated elements?

[petersommerhoff]

Not that I'm aware of but you can write a simple extension function that turns it to a set and back (there are no duplicates in a set)

[droidrcc]

@elect https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/distinct.html

[petersommerhoff]

@droidrcc’s distinct is even better 🙂

[droidrcc]

.toSet() is an alternative

[droidrcc]

🙂

[elect]

thanks both