���Elements of Kotlin��� Version 0.4 Released

Subscribers now haveaccess to Version 0.4 of Elements of Kotlin,in PDF, EPUB, and MOBI/Kindle formats. Just log intoyour Warescription page to download it,or set up an account and subscribe!

There are a few new ���Kotlin, WTF?��� short chapters, on:

Covarianceand contravariance in generics

Local functions

Reified type parameters

and Nothing

And, as usual, there were several bug fixes.