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[Caml-list] Semantics of physical equality

Kevin S. Millikin
- Basile STARYNKEVITCH
  - Michal Moskal
    - sejourne kevin
      - Andreas Rossberg
        
        Michal Moskal
      - Michal Moskal
        
        Andreas Rossberg
        
        Michal Moskal
        
        Andreas Rossberg
        
        Michal Moskal

Date:	-- (:)
From:	Andreas Rossberg <AndreasRossberg@w...>
Subject:	Re: [Caml-list] Semantics of physical equality

Michal Moskal <malekith@pld-linux.org> wrote:
> > > But both r.a and r.b are ints, so it is always OK (== and = are the
same
> > > on ints).
> >
> > That is what the current implementation does, but it is not guaranteed.
>
> On integers and characters, physical equality is identical to structural
> equality. [1]
>
> It depends what you mean by ,,guaranteed'' though.
>
> [1] http://caml.inria.fr/ocaml/htmlman/libref/Pervasives.html

You are right, I stand corrected. Int is a special case.

BTW, the manual speaks of "integers". Surely it only holds for plain type
"int", not for other integer types, like big_int, int32, does it?

     - Andreas

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