[m-dev.] abstract type class declarations

[Fergus Henderson]

Mercury supports abstract type class declarations,
i.e. code such as the following:

	:- module foo.
	:- interface.
	:- typeclass c(T).	% abstract type class declaration

	:- implementation.
	:- typeclass c(T) where [...].

This is used, for example, in library/store.m.

However, I just noticed that this language feature is not documented in
the language reference manual.

Am I right to presume that there would be no objections to officially
documenting this feature?

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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