[squeak-dev] DateAndTime hashing

David T. Lewis lewis at mail.msen.com
Sun Jan 6 06:14:39 UTC 2019


On Sat, Jan 05, 2019 at 08:53:52PM -0800, Eliot Miranda wrote:
> Hi David,
> 
> > On Jan 5, 2019, at 8:17 PM, David T. Lewis <lewis at mail.msen.com> wrote:
> >
> > I don't think that this has a practical impact, but I will mention it
> > in case I am overlooking something. The hash for a DateAndTime in a
> > 64-bit image will be different from the hash for the same DateAndTime
> > in a 32-bit image, because the utcMicroseconds value in a 64-bit Spur
> > image is a SmallInteger, and in a 32-bit image it is a LargePositiveInteger.
> 
> This was taken care of for this kind of scenario in
> 
> Name: Kernel-eem.1198
> Author: eem
> Time: 24 November 2018, 1:44:47.526422 pm
> UUID: 100137c4-2514-4b7f-9064-3dcdfe7d8cc9
> Ancestors: Kernel-eem.1197
> 
> Redefine LargePositiveInteger hash for compatibility between 32-bit
> and 64-bit systems.

Ah, right, I forgot about that update. I was looking at an outdated 32-bit image.

Thanks!
Dave



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