Re: fast metamethods (was: lua hacking wondering)

[Roberto Ierusalimschy <roberto@...>]

> This patch allows an alternative and much more efficient way of
> defining these metamethods.

Have you measured the speed up in "real-like" code?


> By the way, the addition of the fastTM field in the Udata structure
> does not impose additional memory usage, since that structure had some
> wasted space available (due to alignment/union issues).

Are you sure? In my machine, the original structure had 16 bytes, the
new one has 20 (which would go to 24 with double alignment).

-- Roberto