gcc visibility used by moz

[Mike Stump]

On Jul 12, 2006, at 11:49 AM, Tristan Wibberley wrote:
> "the client code needs to know about the existence of this type so  
> it can get pointers and references to instances and pass them back  
> in later and maybe be able to call virtual member functions and  
> access non-static members" by putting it in a header which they  
> document should be included by client code - thus client code  
> includes it and knows about the type.

And what do you expect the type equality operator return for two  
types called S?