std.uuid: Update 4

[Dmitry Olshansky]

On 16.06.2012 15:30, Johannes Pfau wrote:
> Am Tue, 12 Jun 2012 13:46:17 +0200
> schrieb Johannes Pfau<nospam at example.com>:
>
>> Am Mon, 11 Jun 2012 13:12:49 +0200
>> schrieb Johannes Pfau<nospam at example.com>:
>>
>>> Am Sun, 10 Jun 2012 18:49:03 +0200
>>> schrieb Johannes Pfau<nospam at example.com>:
>>>
>>>> Am Sat, 09 Jun 2012 21:30:57 +0400
>>>> schrieb Dmitry Olshansky<dmitry.olsh at gmail.com>:
>>>>> Code: https://github.com/jpf91/phobos/blob/std.uuid/std/uuid.d
>>>>> API-Docs: http://dl.dropbox.com/u/24218791/d/src/uuid.html
>>>>
>>>> I pushed these changes suggested by Dmitry Olshansky and Jonas
>>>> Drewsen:
>>>>
>>>> * Add documentation table
>>>> * Rename UUID.isNil -->  UUID.empty
>>>> * Merge ParserException and IsufficientInputException into
>>>>    UUIDParserException
>>>> * Add note about std.variant.Variant
>>>> * Rewrite example to avoid cast
>>>> * Add non-working(commented out) variadic constructor
>>>> * Rename extractRegex -->  uuidRegex
>>>> * Use std.algorithm.swap instead of swapRanges
>>>
>>> * parseUUID now supports InputRanges with ElementType == dchar (all
>>>    string types are still supported as well)
>>>
>>>
>>
>> * randomUUID now creates the RNG only once per thread.
>> * randomUUID lazily seeds the RNG once (per thread) on the first
>>    function call
>> * randomUUID now uses the new seed overload (requires
>>    https://github.com/D-Programming-Language/phobos/pull/627 )
>> * the unsafe randomUUID overload taking only a type has been removed.
>>
>
> * Add changes suggested by Jonathan M Davis (see
>    https://github.com/jpf91/phobos/commit/91cd1c1f4385cfe1cd868c0720aff257d9436822
>    )

Surely, a better way then making a global is to routinely check for zeros.

Plus, you can cast .ptr to size_t* and compare word by word in 4 or 2 
ops(!). You'd better watch out for __ctfe though, it deon't allow 
casting pointers this way.


-- 
Dmitry Olshansky