Error:(20, 15) Kotlin: Type parameter bound for R ...

# kontributors

[marcinmoskala]

Error:(20, 15) Kotlin: Type parameter bound for R in inline fun <T, R : kotlin.Comparable<R>> kotlin.Iterable<T>.sortedBy(crossinline selector: (T) -> R?): kotlin.List<T> is not satisfied: inferred type kotlin.Any is not a subtype of kotlin.Comparable<kotlin.Any>