fun main() {
    val cat = Cat("cat")
    val wall = Wall("wall")

    wall.action(cat)
}

interface Jumping {
    fun jump(element: Wall)
}

interface Action<T> {
    fun action(member: T)
}


class Wall(val name: String) : Action<Jumping> {

    override fun action(member: Jumping) {
        member.jump(this)
    }
}

class Cat(val name: String) : Jumping {

    override fun jump(element: Wall) {
        print("${this.name} сделал прыжок через ${element.name}")
    }
}