Operator Overloading

operator_overloading.kt

import java.sql.Date


fun main() {
    exploreRangeTo()

    val scoreBoard = ScoreBoard()
    scoreBoard + 6
    println(scoreBoard.displayScore())
}

// operator overloading based on kotlin library function

fun exploreRangeTo() {
    val startDate = Date.valueOf("2023-06-12")
    val endDate = Date.valueOf("2023-06-15")

    val range = startDate..endDate
    println(range)

    val isDatePresent = Date.valueOf("2023-06-13") in range
    println(isDatePresent)
}

class ScoreBoard {

    private var score: Int = 0
    operator fun plus(run: Int) {
        this.score += run
    }
    fun displayScore() {
        println(score)
    }
}