[plt-scheme] class.ss's init, and non-public fields

>>] Only initialization variables declared with init-field can be accessed 
>>] from methods; accessing any other initialization variable from a method 
>>] is a syntax error. 
>>] 
>> (1a) Why this restriction?
> 
> But `init' arguments act like constructor arguments. You don't
> necessarily want to allocate a slot in each object for each constructor
> argument.
> 
"D'oh", of course.

> If the `class' macro could detect which `init' arguments are referenced...
> 
I agree that's overkill.  As Matthias suggests, I'll just make a
macro named something like "init-private", to complement init and init-field.
I just wanted to make sure I wasn't missing some feature or idiom.
Thanks all,
ian