[REBOL] Re: Sameness - a pragmatic approach.
From: lmecir:mbox:vol:cz at: 11-Feb-2003 15:46
Hi Joel,
----- Original Message -----
From: "Joel Neely"
...
> Am I doing something stupid here? I just tried the following:
>
> >> foo: make object! [a: 1 b: "Hi!"]
> >> baz: make object! [a: 1 b: "Hi!"]
> >> equal? foo baz == false
> >> equal? mold foo mold baz == true
this is an old issue. Nevertheless, object equality *is* defined:
equal? foo foo ; == true
This kind of equality is rather trivial, but IIRC the implementor didn't want to overcome
all possible difficulties to use a more sensible definition. My EQUAL-STATE? equivalence
is a trial to define something better for objects, nevertheless, I have given up for
functions, because the natural functional equality isn't algorithmizable. What do you
think, is there better functional equality than identity/sameness?
Regards
-L
