override fun up()

in src/main/kotlin/jsitter/api/ReducingZipper.kt [13:20]

• 8 lines of code
• 2 McCabe index (conditional complexity)

  override fun up(): ReducingZipper<*, Acc>? {
    if (parentOrInit is ReducingZipper<*, *>) {
      return parentOrInit as ReducingZipper<*, Acc>
    }
    else {
      return null
    }
  }