2020. 7. 6.Delegation Pattern
https://en.wikipedia.org/wiki/Delegation_pattern
class Rectangle(val width: Int, val height: Int) {
fun area() = width * height
}
class Window(val bounds: Rectangle) {
// Delegation
fun area() = bounds.area()
}class Rectangle(val width: Int, val height: Int) {
fun area() = width * height
}
class Window(val bounds: Rectangle) {
// Delegation
fun area() = bounds.area()
}