anchor.diff:  part of cbor;
   
   /// Specifies the Major type of ::cbor_item_t
  -enum cbor_type {
  +enum CborType {
     cborTypeUint, // 0 - positive integers
     cborTypeNegint, // 1 - negative integers
     cborTypeBytestring, // 2 - byte strings
  
positive.code: }
  
  /// Possible decoding errors
  enum cbor_error_code {
    cborErrNone,
    cborErrNotEnoughData,
    cborErrNodata,
  
negative.code: }
  
  // Possible widths of #CBOR_TYPE_UINT items
  enum CborIntWidth { cborInt8, cborInt16, cborInt32, cborInt64 }
  
  /// Possible widths of #CBOR_TYPE_FLOAT_CTRL items
  enum CborFloatWidth {
    cborFloat0, // Internal use - ctrl and special values
    cborFloat16, // Half float
    cborFloat32, // Single float
  