lua-users home
lua-l archive

[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index] [Thread Index]

2008/2/19, Roberto Ierusalimschy <>:
> > Roberto, is there any description of upcoming changes in Lua 5.2?
>  There is no "official" roadmap :) The following is a list of what we
>  have been doing.
>  We have already implemented several small changes:
>  [...]
>  - "metamethods" __pairs & __ipairs

Why is the new ipairs using an __ipairs metamethod rather than the
existing __index ?

>  - tables and strings respect __len metamethod

Any plan to provide a C API that would trigger this metamethod ?
Currently lua_objlen don't call __len on userdata.