What is the Kotlin exponent operator

Question

What is the exponent operator in Kotlin. I assumed it would be ** but it seems to throw up an error in my code.

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Answer 1

If you need a cross platform version that does not depend on java.lang or Kotlin's Double.pow, this simple implementation will work:

fun pow(value: Long, exp: Int): Long {
    return when {
        exp > 1 -> value * pow(value,exp-1)
        exp == 1 -> value
        else -> 1
    }
}