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From: nemethi <csaba.nemethi@t-online.de>
Newsgroups: comp.lang.tcl
Subject: Re: tablelist and unknow
Date: Sun, 6 Oct 2024 17:51:08 +0200
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Am 06.10.24 um 14:32 schrieb clt.to.davebr@dfgh.net:
>> From: nemethi <csaba.nemethi@t-online.de>
> 
>> 3. The above works, but it uses the ::tablelist::moveCol proc, which
>> belongs to the implementation of the tablelist widget, not to its
>> documented, public API.  It is much better to use something like
>>
>> proc moveCol {args} {
>>      lassign $args tbl sourceCol targetCol
>>      $tbl movecolumn $sourceCol $targetCol
>> }
>>
> 
> I'm curious why you suggest using lassign $args... instead of putting the variables in the proc arguments list? Something like:
> 
> proc moveCol {tbl sourceCol targetCol} {$tbl movecolumn $sourceCol $targetCol}
> 
> Do error messages make more sense that way, or is it more efficient?
> 
> daveb
> 

The only reason for using args was that the OP used this form with both 
procs unknown and moveCol.

-- 
Csaba Nemethi  https://www.nemethi.de  mailto:csaba.nemethi@t-online.de