Please rid me of this goto

[Andrei Alexandrescu via Digitalmars-d]

On 06/23/2016 02:59 PM, Timon Gehr wrote:
> On 23.06.2016 19:22, Andrei Alexandrescu wrote:
>> So I was looking for an efficient exponentiation implementation, and
>> http://www.stepanovpapers.com/PAM.pdf has a nice discussion starting at
>> page 54. Stepanov's solution, however, duplicates code, so I
>> eliminated it:
>>
>> https://dpaste.dzfl.pl/e53acb41885a
>>
>> The cost is the use of one goto. Can the code be restructured to not
>> need it?
>>
>>
>> Thanks,
>>
>> Andrei
>
> Unrelated comment: 0^^0 should not overflow.

Why not? -- Andrei