I wonder about the Fraction implementation. Since any Integer isFraction I think it's better to simply let super ^0. Synthetizing an unreduced Fraction should be restricted to very specific case. Do you have such specific usage?
Nicolas
2013/3/30 commits@source.squeak.org
Frank Shearar uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-fbs.752.mcz
==================== Summary ====================
Name: Kernel-fbs.752 Author: fbs Time: 30 March 2013, 10:09:47.906 pm UUID: 0724a0a2-6b96-4e07-94ed-79bdc4e2466b Ancestors: Kernel-eem.751
Increase the "polymorphitude" of numbers by supplying a default implementation of #zero, together with a few per-type specialisations to go with those we already have.
=============== Diff against Kernel-eem.751 ===============
Item was added:
- ----- Method: Float class>>zero (in category 'constants') -----
- zero
^ 0.0.!Item was added:
- ----- Method: Fraction class>>zero (in category 'constants') -----
- zero
^ self numerator: 0 denominator: 1.!Item was added:
- ----- Method: Number class>>zero (in category 'constants') -----
- zero
^ 0.!