at that point, I think you're just trying to shoeh...

# getting-started

[kevinmost]

at that point, I think you're just trying to shoehorn this feature into a delegated property, and I'd just make a proper class like:

class ResettableLazy<T>(val initializer: () -> T) {
  private var value: T? = null

  fun invalidate() { value = null }

  val value: T get() {
    if (value == null) {
      value = initializer()
    }
    return value!!
  }
}