Re: Extending Lua for multiple light userdata types

[Roberto Ierusalimschy <roberto@...>]

> Very good idea, but, shouldn't this can be a sub type just like short
> string and long string?

Yes, it is a subtype; but, as I said, it is visible to the programmer.


> some doubt, why integer overflow just like unsigned in C? does
> negative integer exists?

Sure. What I meant is that overflows simply throws away the carry. (C
does not specify the behavior of overflows for signed integers.)

-- Roberto