[iterate-devel] *list-end-test*

[Andreas Fuchs]

Hoehle, Joerg-Cyril wrote:
> Hi,
> 
> I've had time to think about the issue some more (and to read the CLHS on loop yet again).
> 
>> Actually, there could be somewhat distinct votes
>> 1. Eliminate or not
>> 2. FOR IN dotted list: error out (like LOOP) or not 
>> (compatible, someone's code may depend on this) -- apparently, 
>> that's the issue where opinions diverge.
> 
> Here's what I'm going to do when I'll have time:
> + Eliminate *list-end-test*
> + FOR IN uses ENDP (like Attila favours), like LOOP 6.1.2.1.2
> + FOR ON uses ATOM, like LOOP 6.1.2.1.3
> + add test cases
> + document change in behaviour.

I like that. Additionally, I suggest making *list-end-test* a symbol
macro (that expands to something which errors when evaluated or
setf'ed), so that code that relies on it being a special variable will
break immediately.

Cheers,
-- 
Andreas Fuchs, (http://|im:asf@|mailto:asf@)boinkor.net, antifuchs