A goofy sample on why infix keyword is a game changer

infix_sample.kt

open class Animal{
    infix fun has(value:Int):Animal{
        return this
    }
    infix fun legs(value:Animal):Animal{
        return this
    }
    infix fun a(value:Any):Animal{
        return this
    }
}
object and: Animal()
object tail: Animal()


fun main(){
    val dog = Animal()
    dog has 4 legs and a tail
}