Re: [boost] [review] Boost.Guid

From: Matthias Troyer (troyer_at_[hidden])
Date: 2007-05-06 12:46:15

On 6 May 2007, at 14:37, Peter Dimov wrote:

> Matthias Troyer wrote:
>> On 5 May 2007, at 06:16, Peter Dimov wrote:
>>> * I agree that the time(0) seed is unacceptable. A good source of
>>> entropy
>>> probably deserves its own library. It's also not easy to make it
>>> header-only. One compromise could be for the create function to
>>> take an
>>> Engine argument, but this takes away the simplicity.
>>
>> How about just adding an additional create function that takes an
>> engine?
>
> The existing create function is dangerous as it doesn't generate  
> reasonably
> unique identifiers. We can't fix that by adding more overloads.

I fully agree that it is very dangerous, especially on parallel  
machines. However, in addition to fixing this, it would be good to  
have the engine be customizable.

Matthias