From: elbows@... (Nathan Weston)
Date: 2003-10-02T02:21:46+09:00
Subject: Re: Making == symmetric?

Ben Giddings <bg-rubytalk@infofiend.com> wrote in message news:<3F7A4EBC.20007@infofiend.com>...
> 
> Maybe instead:
> 
> def compare(a, b)
>    retval = false
>    if a.can_compare_to?(b)
>      retval = a.==(b)
>    end
>    if retval and b.can_compare_to?(a)
>      retval = b.==(a)
>    end
> 
>    return retval
> end
> 

I agree that the use of == instead of compare_to is more intuitive if
people want to override equality. In general, I'm not attached to the
specific names I've thrown out in this example -- Kernel#compare could
just as easily be Kernel#==, if that makes more sense.

Nathan