maxyou

import org.junit.Test

class SolutionTest {

    data class Person(val name:String, val board: IntArray){
        var age:Int = 0
        override fun equals(other: Any?): Boolean {
            if (this === other) {
                return true
            }

maxyou

fun myFunIns(data:Int, myFun:(arg:Int)->Int):Int{
    return myFun(data)
}

fun main(){

    // 1.1
    var result1 = myFunIns(123, {
        it * 2
    })