simplest kotlin builder

KotlinBuilderTest.kt

fun main(args: Array<String>) {
    val choosenMenu = menu {
        fish
        chips
        hamburger
    }
    
    println(choosenMenu)
}

fun menu(init : MenuBuilder.() -> Unit) = MenuBuilder().apply(init).build()

data class Menu(val list: List<String>)

class MenuBuilder {
    
    val list = mutableListOf<String>()
    
    fun build () = Menu(list)
    
    val hamburger : Unit get () {list += "Hamburger"}
    val fish : Unit get () {list += "Fish"}
    val chips : Unit get () {list += "Chips"}
}