1. RE: Request for Eu 2.4
Kat wrote:
> On 4 Feb 2003, at 21:30, xerox_irs at lvcm.com wrote:
>
> >
> > Another thing that would be good is if you could assign a variable a
> > part
> > of
> > another so
> > atom a
> > sequence b
> >
> > b={1,2,3,4}
> > a=assign(b,2)
> > a=5
> > now b={1,5,3,4}
> > b[2]=7
> > now a=7
>
> This is what we used pointers for in the bad ole days. Pointing into
> records,
> pointers for multiple typecasting, pointers for indexing.
>
> Kat
And something I'm sure will never be implemented in official Euphoria.
That's more confusing than passing parameters by reference (IMHO)...
-- Brian
2. RE: Request for Eu 2.4
- Posted by gertie at visionsix.com
Feb 05, 2003
On 5 Feb 2003, at 18:50, Brian Broker wrote:
>
>
> Kat wrote:
> > On 4 Feb 2003, at 21:30, xerox_irs at lvcm.com wrote:
> >
> > >
> > > Another thing that would be good is if you could assign a variable a
> > > part
> > > of
> > > another so
> > > atom a
> > > sequence b
> > >
> > > b={1,2,3,4}
> > > a=assign(b,2)
> > > a=5
> > > now b={1,5,3,4}
> > > b[2]=7
> > > now a=7
> >
> > This is what we used pointers for in the bad ole days. Pointing into
> > records,
> > pointers for multiple typecasting, pointers for indexing.
> >
> > Kat
>
> And something I'm sure will never be implemented in official Euphoria.
Well, yeas, Rob has already said no to pointers, but there will prolly be a
convoluted workaround by another name.
> That's more confusing than passing parameters by reference (IMHO)...
Not really.
a : char
b : byte pointed at a
c : boolean pointed to a
# a b and c all point to the same byte in memory
# a b and c are all different types
a := 'z'
therefore:
b = 122
c = TRUE
?a = 'z'
?b = 122
?c = TRUE (or 122, depending if you have fuzzybool or not)
Kat
