Re: more to ada paper critic

[Ted Dennison <dennison@telepath.com>]

Hyman Rosen wrote:
> Ted Dennison wrote:
> 
>> This must be a C++ idiom with which I'm unfamiliar. I thought C++
>> class declarations did not allow any part of the class's declaration
>> (like one of its fields) to be declared in a separate compilation.
> 
> 
> You're right. I think he's talking about the so-called "pimpl" technique,
> which isolates the implementation of a class into a file which is never
> seen by the user. The user only sees a class which has a set of methods,
> and one pointer to an implementation class.

Ahh. So this *is* just like using a private pointer to a deferred record 
type, except that we aren't as tempted to do it in Ada because we like 
to avoid pointers where possible.