Finds the missing number in a slice of consecutive integers. This function uses XOR bitwise operation to find the missing number. It XORs all expected numbers in the range [min, max] with the actual numbers present in the array. Since XOR has the property that `a ^ a = 0`, all present numbers cancel out, leaving only the missing number. # Arguments `nums` - A slice of integers forming a sequenc
(nums: &[i32])