Re: property based C++ API with Lunar?

[Ignacio Burgueño <ignaciob@...>]

Michael Bauroth wrote:
> Hi,
>
> I have implemented your solution, but had to change two lines because of 
> a compiler error (VS2008). What do you mean?
>
> was ...
>
> #define LCB_ADD_SET(fieldname) { #fieldname , set_##fieldname }
> #define LCB_ADD_GET(fieldname) { #fieldname , get_##fieldname }
>
> changed to ...
>
> #define LCB_ADD_SET(fieldname) { #fieldname , &set_##fieldname }
> #define LCB_ADD_GET(fieldname) { #fieldname , &get_##fieldname }

Indeed, I meant to take the address of the function (get_foo, set_foo). 
It seems that with VC6 it was optional to use & in this case.

> Just another question. What can I change to use the same solution as 
> well for methods with more than one parameter, e.g. instead of 
> btn:SetPosition( 1, 1 ) I want to use btn.Position = 1, 1?

I don't think this is possible since the __newindex and __index 
metamethods don't take multiple values. There was some discussion of the 
list some time ago about this.

What you might do instead is something like:
btn.Position = {1,1}

And deal with a table in your C++ implementation.


Regards,
Ignacio