From: Hugh Sasse Staff Elec Eng <hgs@...>
Date: 2000-11-23T04:17:13+09:00
Subject: [ruby-talk:6525] Re: alias_method and > and <

On Thu, 23 Nov 2000, Dave Thomas wrote:

> Hugh Sasse Staff Elec Eng <hgs@dmu.ac.uk> writes:
> 
> > The operators > and < don't seem to be in the list of things one cannot
> > override.  So therefore I should be able to override them.  Indeed, 
> > I can do 
> >     def >(x)
> >        # ...
> >     end
> > 
> > but I cannot get at the old versions.
> 
>   class Fixnum
>     alias :old_lt :<
>     def <(other)
>      puts "comparing"
>      old_lt(other)
>     end
>   end

OK, but how do I do that in a module?  alias doesn't work there either.
I'm trying to write this once (DRY and all that) and then include it
in the classes where I need it.

> 
> 
> Regards
> 
> 
> Dave
> 
	Hugh