Re: Opaque objects and Emacs documentation

[Richard Stallman]

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  > Its return value must be a "project 
  > instance" which satisfies a certain protocol defined by several 
  > cl-generic methods (think "interface" in Java, or "typeclass" in 
  > Haskell, or "protocol" in Clojure, or multimethods elsewhere).

This protocol of operations and what jobs they are supposed to do
is what defines he project instance data structure.  So that is
a good way to document the data structure.

However, I wonder if there are some data that we can expect every
project instace to have..  For instance, does every project instace
have a name?  Is there an operation to ask for its name?

What are the simple data items that every project instance should
have?

-- 
Dr Richard Stallman
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)