Re: Basic, no fuss, no magic, foolproof module pattern. [Was: require, module, globals and "magic"]

[Lorenzo Donati <lorenzodonatibz@...>]

Roberto Ierusalimschy wrote:
> > On a related note, may I assume from what you said that now the
> > standard contract for a module can be (incompletely) summarized as
> > in the following lines?
> >
> > 1. when loaded and called, a module's chunk should return a table
> > containing its "exported" symbols
> > 2. a module should not create any global
> > 3. ? any more items in the contract?
>
> Roughly it is only rule 1. (We should not say what it should not do: a
> module should not create any global; it also should not erase your hard
> disk; it should not send emails to your friends; etc.)
Fair enough! My bad :-)
> But remember that this is a standard contract; modules are
> free to use different contracts if needed (see related message).
>
>
> > (BTW should this contract be the same for both Lua and C modules?)
>
> Yes.
Ok. Good to know.
> -- Roberto
Thank you very much again!
-- Lorenzo