From: George Ogata <g_ogata@...>
Date: 2002-08-09T00:46:43+09:00
Subject: Re: Is There an Inverse of 'rb_define_method'?

William Djaja Tjokroaminata wrote:

> Hi,
> 
> I don't think it is similar to get the name of a variable.  When Ruby
> calls a method, in the background it must call a C function.  I want to
> get the pointer of this function, not its name.
> 
> The problem is in my case, someone else (the user) will define the method
> in Ruby, and so I cannot record it when the method is defined.
> 
> Basically, in my extension, instead of writing
> 
>     rb_funcall (obj, rb_intern ("func_name"), n, ...);
> 
> I just want to call the function directly, something like
> 
>     func_name_ptr (obj, n, ...);
> 
> to reduce the overhead (because this call is done hundreds of thousands
> times per second).
> 

Oops.

I misread yor post.  I saw the "define_method" part of "rb_define_method" 
and assumed "Module.define_method".  (Never mind the stuff about function 
pointers... :))

Sorry, I don't know much about ruby internals or writing extensions.  
Hopefully someone else here can help you.