1. RE: explain it to me
George,
I can only assume that you are declaring the variable rec as an object
in your example, otherise you would get an error at:
rec = value( rec )
because now rec is holding the atom 123.45
Now that rec is an atom, there is no such thing as rec[2].
I'm not sure what you are trying to get so let me take a stab at it.
Are you trying to get rec to hold an atom with a value of 2?
If so, try:
rec = value( rec[2] )
-- Brian
George Walters wrote:
> Could someone explain why I can't reassign a sequence like this
>
> rec = "123.45"
>
> rec = value(rec)
> rec = rec[2] -- why can't I redefine rec this way if I don't
> want the 1st element (or any
> others but the 2nd). It's awfully
> inconvinent to have to go
> through a temp var
> everytime.
>
> And I would have thought that the following syntax would have also been
> allowed
>
> rec = value(rec)[2] -- this is valid in Theos Basic and seems
> logical to me here also. It saves going through a temp var also.
>
> ...george
>
>
2. RE: explain it to me
You're right, I forgot about that... and your first reply seems the
right thing to do assuming that it is known that the value call won't
fail.
-- Brian
C. K. Lester wrote:
> Brian, doesn't value() return { x , y }, where x is the success variable
> and
> y is the actual value?
>
> ----- Original Message -----
> From: "Brian Broker" <bkb at cnw.com>
> To: "EUforum" <EUforum at topica.com>
> Sent: Wednesday, August 29, 2001 12:59 PM
> Subject: RE: explain it to me
>
>
> > George,
> >
> > I can only assume that you are declaring the variable rec as an object
> > in your example, otherise you would get an error at:
> >
> > rec = value( rec )
> >
> > because now rec is holding the atom 123.45
> >
> > Now that rec is an atom, there is no such thing as rec[2].
> >
> > I'm not sure what you are trying to get so let me take a stab at it.
> >
> > Are you trying to get rec to hold an atom with a value of 2?
> >
> > If so, try:
> >
> > rec = value( rec[2] )
> >
> > -- Brian
> >
> >
> > George Walters wrote:
> > > Could someone explain why I can't reassign a sequence like this
> > >
> > > rec = "123.45"
> > >
> > > rec = value(rec)
> > > rec = rec[2] -- why can't I redefine rec this way if I
> don't
> > > want the 1st element (or any
> > > others but the 2nd). It's awfully
> > > inconvinent to have to go
> > > through a temp var
> > > everytime.
> > >
> > > And I would have thought that the following syntax would have also been
> > > allowed
> > >
> > > rec = value(rec)[2] -- this is valid in Theos Basic and seems
> > > logical to me here also. It saves going through a temp var also.
> > >
> > > ...george
> > >
> > >
