doh... should have been :
if value? 'gui [
show gui
]
On 9/4/07, Maxim Olivier-Adlhoch <[EMAIL PROTECTED]> wrote:
>
> as a side note... you can use value? to test for a value within a context
> at that moment (or otherwise if its been defined globally).
>
> I use it sometimes to delay the refresh of things which can run in an gui
> or not, or which have a chance of being run before the gui is opened...
> ex:
>
> unless value? 'gui [
> show gui
> ]
>
>
>
>
> -MAx
>
> On 9/1/07, Kai Peters <[EMAIL PROTECTED] > wrote:
> >
> >
> > Thanks for the quick help, Tim!
> >
> > On Sat, 1 Sep 2007 11:39:58 -0800, Tim Johnson wrote:
> > >
> > > On Saturday 01 September 2007, Kai Peters wrote:
> > >> config-obj: attempt [ make object! load %my-app.cfg ]
> > >>
> > >> probe config-obj/setting1
> > >>
> > >> The probe fails if there is no 'setting1 defined in %my- app.cfg
> > >>
> > >> Is there a way to test for this before attempting to probe (or doing=
> > anything else with it)
> > >> other than wrapping it in an 'attempt?
> > >>
> > > ;; How about 'in ?
> > >>> o: context[t: 1]
> > >>> in o 't
> > > =3D=3D t
> > >>> in o 'x
> > > =3D=3D none
> > >>> either in o 'x[print 'yes][print 'no]
> > > no
> > >>> get in o 't
> > > =3D=3D 1
> > >
> > > HTH
> > > Tim
> >
> >
> > --
> > To unsubscribe from the list, just send an email to
> > lists at rebol.com with unsubscribe as the subject.
> >
> >
>
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