using `var clazz :KClass<T>` doesn't work in...

# getting-started

[ClaudiuB]

using var clazz :KClass<T> doesn't work in is statements though. Wouldn't that be a good case for having a

infix fun <A : Any, B : Any> KClass<A>.instanceof(clazz: KClass<B>): Boolean {
return clazz.java.isAssignableFrom(this::class.java)
}