Re: Casting to derived type (was: Member pointers in 0.8.1)

> I'd be interested in a solution for this as well. What we did as a
> workaorund was to add cast functions to the lua bindings for the derived
> classes, so you have to know that (in Lua) you receive a Object* and
> then convert like this: local actor = Actor.cast(myobject).
> It does feel wrong to introduce casts like this to a dynamic
> language,
> but at least it works. Ultimately, we rewrote part of our project
> specifically because of these problems and reimplemented some of the
> classes in pure lua.
> I really wish luabind was more intelligent and forgiving when it
> comes
> to (smart)pointer casts and general usage.

FWIW, the next release is much better in this regard. It will perform
automatic down-casting then a reference to a polymorphic type is passed
to Lua.

Unfortunately I don't have much time to work on luabind right now, but
hopefully I'll be ready to release the next version in a couple of months.

-- 
Daniel Wallin
BoostPro Computing
http://www.boostpro.com

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