i ll go back and do that kotlinlang #getting-started

i'll go back and do that

# getting-started

h

Hullaballoonatic

06/15/2018, 8:52 PM

i'll go back and do that

z

zucen.co

06/16/2018, 6:33 AM

i found this totally helpfull https://typealias.com/guides/illustrated-guide-covariance-contravariance/