### Module bits

bits:

**length**(x)

Returns the minimum number of bits required to represent x; the result is 0 for x == 0.

bits:

**popcount**(x)

Returns the number of one bits ("population count") in x.

bits:

Returns the minimum number of bits required to represent x; the result is 0 for x == 0.

bits:

Returns the number of one bits ("population count") in x.