[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Global variable modification by nameref chain
From: |
Chet Ramey |
Subject: |
Re: Global variable modification by nameref chain |
Date: |
Mon, 23 May 2016 13:42:06 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 |
On 5/23/16 11:32 AM, Grisha Levit wrote:
>
> On Sun, May 22, 2016 at 10:08 PM, Chet Ramey <chet.ramey@case.edu
> <mailto:chet.ramey@case.edu>> wrote:
>
> Should the assignment work? I'm considering changing the assignments to
> work more like the references.
>
>
> I think it would be useful for the assignment to work, as that allows
> functions to take variable names as arguments without worrying about name
> collisions. Would it also be possible to have the reference resolve the
> same way? If not, then I suspect consistency in assignments and references
> would be preferable.
I don't like the fact that variable binding simply ignores nameref loops
and treats them the same as the variable not being found. That's the
difference here.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/