On 17 Mar 2003, Cees de Groot wrote:

> On Mon, 2003-03-17 at 21:30, Avi Bryant wrote:
> > Trying to use this snapshot, it seems like not all of the method
> > extensions are there.  For example, at least #odbLongAt: and related
> > methods on ByteArray, and #odbIsLessOrEqualTo: are missing.  Presumably
> > just a matter of changing the method categories and filing out again...
> >
> Darn, I thought I got them all. What's the simplest way to find all
> classes that have a certain procotol?


Smalltalk allClasses select:
   [:ea |
   ea organization categories includes: 'some category']

?