RE: setmetatable vs setfenv consolidation? (was Re: setmetatable vsdebug.setmetatable?)

["Jerome Vuarand" <jerome.vuarand@...>]

PA wrote:
>> IMHO, I'd think less about how to change Lua, but how to use what's
>> available... :-)
> 
> Good point, good point, I shall ponder that wisdom :)
> 
> That said, in the case of environment vs. metatable, there is perhaps
> too many ways to express the same thing? 

The fact that userdata have both a metatable and an environment allows
to easily have one of the two on a per object basis, and the other on a
per class basis. It's not necessary, but very useful.