(41 . 6)(41 . 9)
469 -- A count of Words in an FZ (cannot be 0):
470 subtype Word_Count is Indices range 1 .. Indices'Last;
471
472 -- A count of Bits, anywhere (cannot be 0):
473 subtype Bit_Count is Positive;
474
475 -- An index of a particular ~bit~ in an FZ:
476 subtype FZBit_Index is Indices;
477