kotlin-stdlib/kotlin/Comparator/compare

compare

expect abstract fun compare(a: T, b: T): Int(source)

Compares its two arguments for order. Returns zero if the arguments are equal, a negative number if the first argument is less than the second, or a positive number if the first argument is greater than the second.

Since Kotlin

1.0
actual abstract fun compare(a: T, b: T): Int(source)

Since Kotlin

1.1