In Kotlin, how do you modify the contents of a list while iterating

Question

I have a list:

val someList = listOf(1, 20, 10, 55, 30, 22, 11, 0, 99)

And I want to iterate it while modifying some of the values. I kn

Answer 1

Here's what I came up with, which is a similar approach to Jayson:

inline fun  MutableList.mutate(transform: (T) -> T): MutableList {
    return mutateIndexed { _, t -> transform(t) }
}

inline fun  MutableList.mutateIndexed(transform: (Int, T) -> T): MutableList {
    val iterator = listIterator()
    var i = 0
    while (iterator.hasNext()) {
        iterator.set(transform(i++, iterator.next()))
    }
    return this
}