| # int2bits(j) = 8 + 1, 127 < j, 64 ≤ j, j < 256, 0 < j ⊦ j = 256 + b2i(i2b(bits2int(int2bits(j).rest))), 0 = j, int2bits(j).rest.first |
# int2bits(j) = 9, 127 < j, 64 ≤ j, j < 256, 0 < j ⊦ j = 256 + b2i(i2b(bits2int(int2bits(j).rest))), 0 = j, int2bits(j).rest.first