[m-dev.] Foreign type compare and unification

[Fergus Henderson]

On 22-May-2002, Peter Schachte <schachte at cs.mu.OZ.AU> wrote:
> [someone wrote:]
> > What I'm saying is that the behaviour of the program should not depend on
> > a closed world assumption about the members of a typeclass.
> 
> Why not?  No, really.

I don't see how any language behaviour that depends on a closed-world
assumption across different modules can be given consistent semantics
in the presence of dynamic loading.

Dynamic loading is IMHO an important feature which we should not abandon.

-- 
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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