Re: Upvalue efficiency [was: Fast metamethods for Userdata types]

[Sean Conner <sean@...>]

It was thus said that the Great David Favro once stated:
>
> I sometimes superstitiously think that there may be some "advantage" in 
> creating a function that has no external references rather than one which 
> requires separate closures, but I honestly have no idea if this is true.

  I can think of two advantages:

	1) it's easier to serialize such a function, as it relies on no
	   external data.
	2) it's easier to test such a function as it relies on no external
	   data.

  -spc