[boost] ADL and export (Was: [serialization] ADL problem)

From: Vladimir Prus (ghost_at_[hidden])
Date: 2005-06-29 01:11:48

David Abrahams wrote:

>> So it was huge hassle to find.  Sorry, I just can't see how this can
>> be a good idea.
> 
> It can be a good idea if you like to find as many errors in your code
> as early as possible, and it can be an especially good idea if you
> want to call functions in a consistent overload context, especially
> with exported templates.  

Can you explain why "especially with exported templates". I heard this
statement several times but never understood why "export" changes anything?
Isn't instantiation point and so context the same regardless of whether
template is exported or not?

- Volodya