Re: [Caml-list] class variables?

[Alain Frisch <frisch@clipper.ens.fr>]

On Fri, 11 Jan 2002, Maxence Guesdon wrote:

> *But* if class foo has parameters, then the expressions before the 'objet' keyword are evaluated at
> each creation of a new instanciation, so in the following code
>
> class foo () =
>   let my_list = [ "foo" ; "bar"] in
>   object
>     ...
>   end
>
> let t = new foo
> let u = new foo
>
> t and u are two objects which don't share the list my_list.

You can write:

class foo =
  let my_list = [ "foo" ; "bar"] in
  fun () -> object
    ...
  end

in order to share my_list ...  or simply use a value defined
outside the scope of the class definition.


Alain

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