Re: Metatable check helper API proposal

[Andrew Gierth <andrew@...>]

>>>>> "Roberto" == Roberto Ierusalimschy <roberto@inf.puc-rio.br> writes:

 Roberto> Another idea would be to write 'luaL_testudata' inside the
 Roberto> kernel, to avoid all stack manipulation and other API
 Roberto> overheads. We would need to test first to know how much could
 Roberto> we gain with that.

If you do this, consider also providing an equivalent API that uses
lightuserdata keys rather than strings. I personally never use strings
as registry identifiers because of the risk of name collisions.

-- 
Andrew.