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Hi Steve,

On Mon, Feb 8, 2010 at 8:38 AM, steve donovan <> wrote:
This is quite a respectable approach in the dynamic universe!

But, yes, there's a better way; ask the modules to export an object
factory (if that fails then it's definitely bad) and insist that these
objects all have a metatable which contains some distinct field/value.
 This field can then identify the interface; the value can be made as
distinct as you like.

Do you have a simple example of this. This is an intriguing idea and just want more details. Thanks.