anchor.diff:  ## Running picklers
   *)
   
  -let bytes = BinaryPickler.pickle (BinaryPickler.pickleInt32) 64 // convert the int value 64 into a byte array
  +let bytes = BinaryPickler.pickle (BinaryPickler.intPU) 64 // convert the int value 64 into a byte array
   
  -let int = BinaryPickler.unpickle (BinaryPickler.pickleInt32) bytes // convert the byte array back into an int
  +let int = BinaryPickler.unpickle (BinaryPickler.intPU) bytes // convert the byte array back into an int
   
   (**
   
  
positive.code: 
  *)
  
  let intArrayPickler = BinaryPickler.array BinaryPickler.pickleInt32
  
  let floatListPickler = BinaryPickler.list BinaryPickler.pickleFloat
  
  (**
  
  
negative.code: ## Pickler primitives
  *)
  
  let intPickler = BinaryPickler.intPU
  
  let floatPickler = BinaryPickler.float32PU
  
  let asciiPickler = BinaryPickler.asciiPU
  
  (**
  
  