From: Claudio Fiorini <claudio@...>
Date: 2009-01-24T10:53:16+09:00
Subject: [ruby-core:21545] Re: Data_Wrap_Struct question about mark and	free function


> You only need to specify a mark function if your wrapped data has
> references to other ruby objects, otherwise null is fine.
> 
> You only need to specify a free function if you want Ruby's garbage
> collector to free memory for your data when the object is collected
> (which you probably do).
> 
> I typically avoid Data_Wrap_Struct these days and use something not
> unlike Data_Set_Struct.  This lets me separate allocate/initialize into
> separate functions (so I would wrap a null pointer in the allocate
> function and set the DATA_PTR in the initialize function).
> 
> Paul

Thanks, i used Data_Wrap_Struct just with a free function.

claudio