unseenPastQuiltCount property
      
      int
      get
      unseenPastQuiltCount
      
    
    
Counts consecutive unknown quilts from the past end.
Reverses heights to find trailing unknowns, informing prefetch thresholds in Carpet.
Implementation
int get unseenPastQuiltCount {
  int g = 0;
  for (double i in quiltHeights.reversed) {
    if (i > 0) {
      return g;
    }
    g++;
  }
  return g;
}