A function as default value for argument in function, the default value function has also argument, wonders of Kotlin

FunctionDefaultValue.kt

class FunctionDefaultValue {

    companion object {
        @JvmStatic
        fun main(args: Array<String>) {
            val result = foo(2)
            println(result)
        }

        fun foo(int: Int, boolean: Boolean = bar(int)): String {
            return "$int $boolean"
        }

        fun bar(int: Int) = int % 2 == 0
    }

}