
@propertyWrapper
struct ClampedValue {
   var storedValue: Int = 0
   var min: Int = 0
   var max: Int = 255

   var wrappedValue: Int {
      get {
         return storedValue
      }
      set {
         if newValue < min {
            storedValue = min
         } else if newValue > max {
            storedValue = max
         } else {
            storedValue = newValue
         }
      }
   }
   init(wrappedValue: Int) {
      self.wrappedValue = wrappedValue
   }
}
