std.hash design

[Regan Heath]

On Fri, 22 Jun 2012 18:34:10 +0100, Johannes Pfau <nospam at example.com>  
wrote:

> Am Fri, 22 Jun 2012 18:12:20 +0100
> schrieb "Regan Heath" <regan at netmail.co.nz>:
>
>
>>
>> Agreed.  In fact I wouldn't bother with finishString either TBH,
>> people can always pass the result of finish string into the method
>> which produces the hex string representation.
>>
>>
>> In any case, we can probably have one static toHexString method for
>> all digests.
>
> string digestToString(size_t num)(in ubyte[num] digest)
> {
>     auto result = new char[num*2];
>     size_t i;
>
>     foreach(u; digest)
>     {
>         result[i++] = std.ascii.hexDigits[u >> 4];
>         result[i++] = std.ascii.hexDigits[u & 15];
>     }
>     return assumeUnique(result);
> }
>
> adapted from std.md5. I don't really like the name though ;-)

Name seems fine to me.  Alternately just digestString or even the  
completely generic "hexString".

R

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