export_to (Was: Re: the OO metaphor)

Bjorn Gustavsson <>
Mon Dec 4 11:18:13 CET 2000


Martin Bjorklund <> writes:
[...]
> 
> The only drawback with the current code loading mechanism is that
> while it's very elegant in theroy, in combination with gen_server
> et. al. it's ugly.  The problem here is that gen_server always calls
> the call-back module with an external call, thus forcing a code
> change.  Come to think of it, this could actually be solved by using a
> fun instead of the call-back module!  Hey, klacke, we're back to
> 'generic' with the 'doit' function ;-)

Using a fun would be faster as well, since fun calls are faster than apply/3.

> 
> 
> /martin
> 
> 
> 
/Björn

-- 
Björn Gustavsson            Ericsson Utvecklings AB
      ÄT2/UAB/F/P
			    BOX 1505
+46 8 727 56 87 	    125 25 Älvsjö



More information about the erlang-questions mailing list