Re: Comparing userdata with other types

[Patrick Donnelly <batrick@...>]

On Sun, May 31, 2009 at 5:29 PM,  <delbu9c1@erau.edu> wrote:
> That's actually rather scary. You realise that all numbers share the same
> metatable, right? So not only are you impacting the comparison of your value
> NIL but also every other numerical comparison. This could lead to problems
> in the future, especially if the developer is unaware of this change. (I
> HAVE written, and still rely upon, code which relies upon the fact that NaN
> != NaN)

You needn't worry. Numbers fall in the special case where the __eq
metamethod (among many others) is ignored.

-- 
-Patrick Donnelly

"Let all men know thee, but no man know thee thoroughly: Men freely
ford that see the shallows."

- Benjamin Franklin