Russell [EMAIL PROTECTED] ----- Original Message ----- From: Russell Yost <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, December 15, 1999 12:12 PM Subject: Re: [REBOL] "logical" value referencing ... Re:(2) > See below: > Russell [EMAIL PROTECTED] > ----- Original Message ----- > From: <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Wednesday, December 15, 1999 10:32 AM > Subject: [REBOL] "logical" value referencing ... Re:(2) > > ACTUAL REPLY: > > > > In the same vein, I was recently surprised > > by > > > > >> a: "123456" > > == "123456" > > >> b: next a > > == "23456" > > >> append b "-YOW!" > > == "123456-YOW!" > > >> b > > == "23456-YOW!" > > > > in which "the series" returned by 'append is clearly different from > > "the series" referred to by 'b. > > I disagree; they still refer to the same series, IMO. > > You shouldn't have been surprised. Here's a snippet of console stuff: > > >> ? append > Appends a value to the tail of a series and returns the series head. > Arguments: > series -- (series port) > value -- > Refinements: > /only -- Appends a block value into a block series as a block > >> a: [1 2 3 4] > == [1 2 3 4] > >> b: next a > == [2 3 4] > >> append b "Wow" > == [1 2 3 4 "Wow"] > >> b > == [2 3 4 "Wow"] > >> a > == [1 2 3 4 "Wow"] > > As you've been pointing out, a and b refer to the same series, but at > different positions. > 'Append added something to the series and *returned it at its head position* > a and b still refer to the same series, but at different positions. > >
