<@U0AAQKT9Q> what is the status of immutable colle...

# stdlib

[yasyd]

@ilya.gorbunov what is the status of immutable collections for kotlin? When there will be a decision on the underlying implementation (stick with pcollections or choose something else) and is the time frame for release? (kotlin 1.1?) https://github.com/Kotlin/kotlinx.collections.immutable/blob/master/proposal.md