[Pharo-dev] Anonymous classes in Pharo 3 - must be instances of Class, not Behavior

Hi folks, I was updating my lecture on Reflection for the Software Design and Evolution course, and I see now that anonymous classes can no longer be instances of Behavior but must be instances of Class. If you try to compile a method on an instance of Behavior, it fails. (basicLocalSelectors is not understood) Am I missing something? Cheers, Oscar testPrimitiveChangeClassTo | anonClass browser | anonClass := Class new. “must be Class, not Behavior" anonClass superclass: Browser. anonClass setFormat: Browser format. browser := Browser new. browser primitiveChangeClassTo: anonClass new. anonClass compile: 'thisIsATest ^ 2'. self assert: browser thisIsATest = 2. self should: [Browser new thisIsATest] raise: MessageNotUnderstood.