Plugin project proposal

Nicolas Williams Nicolas.Williams at
Thu Jul 15 14:57:04 EDT 2010

On Thu, Jul 15, 2010 at 02:25:25PM -0400, Zhanna Tsitkova wrote:
> On Jul 15, 2010, at 1:14 PM, Russ Allbery wrote:
> >>
> >> 2.  2. It was suggested to use hash tables for the plugin  
> >> interfaces in
> >> lieu of C structures. This would provide better plugin impl. version
> >> control and interface extensibility.
> >
> > I'm not sure what you mean by hash tables here.
> Suppose we have defined an interface for plugin_A.
> At later time one may want to extend  the interface of this plugin.
> Now, can these two versions coexist? Yes, and one of the possible  
> solutions is to implement v-tables as hashes.
> In this case the interface consumer can check for the availability of  
> the new method by querying  the hash-table. If "new method" is not  
> implemented, it returns null pointer. And one can decide how to  
> proceed further.

What is used as a key to the table?

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