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- Subject: Re: Calling anonymous functions from C
- From: Rolf Meyerhoff <rm@...>
- Date: Sat, 20 Aug 2005 08:54:06 +0200
> It sounds like you're asking how you can hold on to a reference to a
> Lua function from the C side. The most common way this is done is with
> the registry: when the function is passed to the C side on the stack,
> you use lua_ref (or is it luaL_ref in 5.0?) to stick it into the
> registry, referred to by a unique integer. When you want to do the
> callback, use lua_getref to retrieve the function. and pcall it like
> This technique is also useful for other Lua-side-only types, such as tables.
Thanx for your very quick response. I've now implemented this with
references instead of strings and it works like a charm.