<https twitter com kotlin status 755339965194731521> We are kotlinlang #announcements

<https://twitter.com/kotlin/status/755339965194731...

# announcements

u

user

07/19/2016, 9:54 AM

https://twitter.com/kotlin/status/755339965194731521 We are working on truly immutable collections for Kotlin! https://twitter.com/ilyich_spb/status/754030685678075904 Twitter