2016-10-31 11:32 GMT-03:00 CodeDmitry <dimamakh...@gmail.com>: > I realized it a bit before you posted but thanks for confirming. > > Boolean seems to indeed just be a "Dynamic Interface"; since Smalltalk does > not have "Java Interfaces"(nor want them for the same reason JavaScript > doesn't), the developers wanted to still have True and False be subclasses > of Booleans. > > In all honesty Boolean seems to be there purely for the "common sense" of > it, rather than need. Smalltalk is duck typed and has no need for > interfaces. If it's a Boolean, you know it has those methods so Boolean is > not actually useful for anything; True and False may as well just be > subclasses of Object.
Not exactly, look at the methods in Boolean and you'll see many methods are common to all. So Boolean has a reason to be the superclass of both True and False. Esteban A. Maringolo
