       growthTarget = Swift.max(
         totalCount, _growArrayCapacity(nativeCapacity ?? 0))
     }
-    self.grow(growthTarget)
+    self.grow(growthTarget) // NOTE: this already has exponential growth...
   }
 
   internal mutating func append(_ other: _StringGuts) {

    } else {
      sufficientCapacity = false
    }
        
    if self.isUniqueNative && sufficientCapacity {
      return
    }
    
    // If we have to resize anyway, and we fit in smol, we should have made one
    _internalInvariant(totalCount > _SmallString.capacity)


  internal init(_initialCapacity capacity: Int) {
    self.init()
    if _slowPath(capacity > _SmallString.capacity) {
      self.grow(capacity) // TODO: no factor should be applied
    }
  }

