From: Hal Fulton <hal9000@...>
Date: 2004-05-25T08:27:26+09:00
Subject: Re: How to pp-enable a class?

Gavin Sinclair wrote:
>>Are there good docs or even a tutorial on how to enable a class
>>to be prettyprinted with pp?
> 
>>It looks like the sort of thing I could figure out in 5 or 6 hours
>>of experimentation. I'd rather not spend those if I can help it.
> 
> I've never expended any effort "preparing" a class for pp'ing.  I just
> pp it and am happy with the result.
> 
> Objects are just a recursive collection of objects and core types.
> Core types have their pp defined, and objects are just structure.  So
> it should all Just Work.

True in general.

But I have a case (hence my question) where it doesn't "just work"
and I'm not sure why.

I can't reproduce it simply yet, or I'd show you.


Hal