May be that I don't understand the real problem but:

If all the words between ( and -- are known types we got a new typed
definition of a word. In other case the definition is untyped.

Probably attempting to define a new untyped version of a word will issue
an error.

Fer

El mar, 01-07-2008 a las 17:09 -0500, Slava Pestov escribió:
> How would we distinguish between a typed and untyped definition in this case?
> 
> Slava
> 
> On Tue, Jul 1, 2008 at 4:58 PM, Fernando Alava <[EMAIL PROTECTED]> wrote:
> > What about this?
> >
> > : nth ( integer array -- elt ) ... ; ! StrongForth-like
> >
> > The words integer and array are previously defined as valid types.
> >
> > And if you don't need types you can always write:
> >
> > : nth ( i a -- elt ) ... ; ! Untyped definition
> >
> > I think you don't need to specify both i and integer if later you can't
> > use i as a local variable inside the word definition.


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