Kotlin for loop until – Page 4

Kotlin for loop until – Page 4 – Enpatika

What does ?: Mean in Kotlin?

1 April 2022 Enpatika.com Genel

length ?: -1. If the expression to the left of ?: is not null , the Elvis operator returns it, otherwise it returns the expression to the right . Note that the expression on the right-hand side is evaluated only if the left-hand side is null .