sejourne kevin <sejourne_kevin@yahoo.fr> wrote:
>
> http://caml.inria.fr/ocaml/htmlman/libref/Pervasives.html
> 
> Ho!
> A definition for mutable structures look ambiguous to
> me:
> 
> type test = 
> {
> mutable a:int;
> b:int
> };;
> 
> let r = {a=0;b=2};;
> 
> let x = r and y = r in 
> assert((x.a==y.a)&&(x.b==y.b)&&(x==y))
> ;;
> 
> Does this always ok ?

No, only

  let x = r and y = r in
  assert (x == y)

Neither r.b nor r.a are mutable, only r itself is.

     - Andreas

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