"Dave Wilson" <davel / canuck.com> wrote in message
> GGarramuno wrote:
> > ts <decoux / moulon.inra.fr> wrote in message
> >> Yes, internally ruby is optimized to call directly the C function
rather
> >> than calling the ruby method.

<snip>

>  > Also, how do you find out about the existence of this optimization?
>  > By browsing the ruby C code?  Or are there some docs available
>  > somewhere?
>
> yep, the ruby source code is the primary source of documentation for
> this kind of stuff.

More over, you have to keep in mind that it is Guy who is answering
your questions. I strongly suspect, and I am sure I am not the only one
on this ML, that he knows the source code by heart !