[Pharo-dev] Slot class builder: Anonymous class modification

Stéphane Ducasse stephane.ducasse at inria.fr
Sun Nov 24 04:24:50 EST 2013


So I'm confused.

what does it means in Java?
What is the meaning (I know that anonymous are the one with $ in the name when looking at them from the Java bycode point of view) but beside that?




> Indeed. Same for listeners etc.
> 
> Anonymous class has indeed a very clear meaning to me and to any student that has been exposed to Java (which means "a huge lot").
> 
> Phil
> 
> 
> On Sun, Nov 24, 2013 at 1:20 AM, Esteban A. Maringolo <emaringolo at gmail.com> wrote:
> 2013/11/23 Igor Stasenko <siguctua at gmail.com>:
> > On 23 November 2013 21:26, Esteban A. Maringolo <emaringolo at gmail.com>
> >> >> imo, a better term to use for it would be 'private class' , because
> >> >> anonymous is a bit fuzzy.
> 
> >> > I disagree.  Anonymous classes is the term that has been used for over
> >> > two decades.  It means, literally, a class that has no name because it is
> >> > not in Smalltalk (or in a top-level environment if the dialect has
> >> > namespaces).  This is not at all fuzzy.  Private class means something quite
> >> > different, a class that is private to some environment, e.g. a class nested
> >onyl> > within another class as occurs in SmalltalkAgents or Newspeak.
> >>
> >> +1
> >>
> >> Anonymous = without name.
> >> There's not much to add to it.
> 
> > That's the point. Now what is practical implications of it?
> > Think, how far you can go with anonymous versus private class.
> >
> > If you deny anonymous classes from being private,
> > then you'll immediately hit many problems with tools,
> > which working with public classes and expecting them to have a name.
> > And i don't have to go deep to point on problems: just imagine that you did
> > a change to such 'anonymous' class, now since it is public, all tools is
> > notified about this change, including change logger.. and my question, what
> > you going to log into .changes file in such case?
> 
> I can see your point. But then just say that "Anonymous classes are private".
> Just don't change the name. Anonymous classes are a well know concept
> used through piles of literature.
> E.g. In Java the compiler creates anonymous classes everytime you
> directly instantiate an Interface.
> 
> ej myObject.schedule(new Runnable {...});
> 
> Regards,
> 
> 

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