Kotlin Operators Example

snippet.kt

class Point(val x: Double, val y: Double) {
  // addition operator
  operator fun plus(other: Point): Point {
    return Point(x + other.x, y + other.y)
  }
  
  // overload using Double
  operator fun plus(value: Double): Point {
    return Point(x + value, y + value)
  }
}

// using extension function
operator fun Char.times(multiplier: Int): String {
  return toString().repeat(multiplier)
}

print('!' * 5)  // "!!!!!"