[alicebot-archcomm] [VOTE] Attribute var

[Dr. Richard S. Wallace]

Going down 5-2

----- Original Message -----
From: "John Foderaro" <jkf@franz.com>
To: <alicebot-archcomm@list.alicebot.org>
Sent: Thursday, March 14, 2002 9:06 AM
Subject: Re: [alicebot-archcomm] [VOTE] Attribute var


>
>  I'll vote  NO
>
>
>  reason:
>
>     you want to change
> <set name="name">Dorothy</set>.
>     to
>         <set var="name">Dorothy</set>
>
>     but what you really want is this:
>
>         <set-var name="name">Dorothy</set-var>.
>
>     this says: set the value of the variable named "name" to "Dorothy".
>
>     I see this:
>
>       <set var="name">Dorothy</set>
>
>     as saying: set the variable that is the value of the variable "name"
>     to Dorothy.
>
>     In Lisp <set> is the function set and <set-var> is called setq.
>
>
>     setq says: quote the first argument (quoting prevents evaluation)
>
> cl-user(10): (setq a 3)
> 3
> cl-user(11): a
> 3
>
>     If you use set you have to do the quoting youself
>
>
> cl-user(12): (set 'a 4)
> 4
> cl-user(13): a
> 4
>
>
>         so here we set one symbol to have as its value another:
>
> cl-user(14): (setq fred 'brother)
> brother
> cl-user(15): fred
> brother
>
>         this is <set var="fred">joe</set>
>
> cl-user(16): (set fred 'joe)
> joe
>
>         note that it doesn't change the value of fred
> cl-user(17): fred
> brother
>
>
>         but it does change the value of the symbol that's the
> value of fred:
>
> cl-user(18): brother
> joe
> cl-user(19):
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