ANSI, =, hash, Integer, Float
Bryce Kampjes
bryce at kampjes.demon.co.uk
Tue Dec 17 10:40:15 UTC 2002
Colin Putney writes:
>
> On Monday, December 16, 2002, at 05:27 PM, Richard A. O'Keefe wrote:
>
> > Does any existing Smalltalk actually have number hashes that are
> > consistent with #= *even between different classes*?
> >
> > From the fact that this problem seems to have been around for 20+
> > years,
> > I surmise that people _don't_ make a habit of using rational numbers
> > (*Integer, Fraction) and Floats as keys in the same collections.
>
> Here's another proposal: make Float>>= call #shouldNotImplement.
>
> I wonder what, if anything, it would break?
Given the "Floating Point" discussion, is it possible that
Floats shouldn't be used as keys in collections?
Bryce
More information about the Squeak-dev
mailing list
|