@extra-integer/bit-merge (npm): Merges bits from two 32-bit integers, as per mask (xor method).
Keywords: extra|integer|32bit|bit|abs|log10|log2|pow10|pow2|next|merge|is|is-pow-2|log-10|log-2|next-pow-2|pow-10|pow-2|prev-pow-2|sign-equal