Date classes

stephane ducasse stephane.ducasse at free.fr
Tue Apr 17 12:43:47 UTC 2007


On 17 avr. 07, at 01:42, Andreas Raab wrote:

> Keith Hodges wrote:
>> J J wrote:
>>> I have looked at Cronos but it is really huge, and the classes  
>>> that come with the image are already very close.  I will have to  
>>> look at Chalten, but what is wrong with a few upgrades to the  
>>> classes that come with Squeak?
>> Absolutely nothing, the squeak classes recently had a fairly  
>> comprehensive rewrite, and are still essentially a 1.0 release, it  
>> should be expected that some updates and improvements are desired.  
>> There is plenty of room for these base classes to evolve. For  
>> example I would also propose a split in the packaging of these  
>> classes so there can be an absolute minimum Kernel version for  
>> KernelImages as well as a fully featured version.
>
> I have been experimenting with this idea recently and the bottom  
> line is that all you *really* need is access to the millisecond  
> clock primitive (for Delay and friends). Pretty much everything  
> else can be built on top of that without access to more elaborate  
> Date and Time classes. Moving #millisecondClockValue into, say,  
> Delay would make a great starting point to rip out all of the  
> Chronology classes for a minimal image.

andreas don't you think that for the kernel having the old pre- 
chronology kernel is not sufficient (was it that big)?
because there are a lot of things that could be removed from pavel  
images (at least this was my impression).
>
> Cheers,
>   - Andreas
>
>




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