I need to test it, but this looks like it will hurt me.  I have
subclassed LargePositiveInteger but I need it to compare equally - but
with this hard class-check it will now fail....

On Sun, Jul 10, 2011 at 9:36 AM,  <commits at source.squeak.org> wrote:
> Levente Uzonyi uploaded a new version of Kernel to project The Trunk:
> http://source.squeak.org/trunk/Kernel-ul.604.mcz
>
> ==================== Summary ====================
>
> Name: Kernel-ul.604
> Author: ul
> Time: 10 July 2011, 4:36:20.467 pm
> UUID: f758876f-a507-404b-aa2f-2c1038504b48
> Ancestors: Kernel-bf.603
>
> Optimized Integer >> #= for integer-integer comparisons. Return false for integers from different classes without further checking.
>
> =============== Diff against Kernel-bf.603 ===============
>
> Item was changed:
>  ----- Method: Integer>>= (in category 'comparing') -----
>  = aNumber
> +
> +       aNumber isInteger ifTrue: [
> +               aNumber class == self class ifFalse: [ ^false ].
> +               ^(self digitCompare: aNumber) = 0 ].
> +       aNumber isNumber ifFalse: [ ^false ].
> +       ^aNumber adaptToInteger: self andCompare: #=!
> -       aNumber isNumber ifFalse: [^ false].
> -       aNumber isInteger ifTrue:
> -               [aNumber negative == self negative
> -                       ifTrue: [^ (self digitCompare: aNumber) = 0]
> -                       ifFalse: [^ false]].
> -       ^ aNumber adaptToInteger: self andCompare: #=!
>
>
>