Sint8  T::Unsigned64()
Uint8  T::  Signed64()
Sint16 T::Unsigned32()
Uint16 T::  Signed32()
Sint32 T::Unsigned16()
Uint32 T::  Signed16()
Sint64 T::Unsigned8 ()
Uint64 T::  Signed8 ()
Sint8  T::  Signed8 ()
Uint8  T::Unsigned8 ()
Sint16 T::  Signed16()
Uint16 T::Unsigned16()
Sint32 T::  Signed32()
Uint32 T::Unsigned32()
Sint64 T::  Signed64()
Uint64 T::Unsigned64()
Uint8 version = fr.Unsigned8();
