the OO metaphor

[Sean Hinde]

Ulf Wiger wrote:

> Perhaps, in response to Bjarnes post, it could be called $reuse_api()
> or something, to avoid getting our feet stuck in the OO mud.
> With a function like $reuse_api(),
> - code reuse is still explicit, but perhaps less so
> - you can opt to have functions dynamically added to your API,
>   by specifying that "all functions in API M are also part of 
>   this API.
> - Incompatible changes in a reused API will break other APIs, but
>   this is hard to solve without resorting to (1): copy and paste.

These sort of things would become much cleaner if we had Richard O'Keefe's
idea of 'internal exports' (so for example the functions currently exported
for gen_server callbacks wouldn't become part of the API).

- Sean



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