[PD-dev] $0 in messages, was: multiple $arg-expansion

[Hans-Christoph Steiner]

On Jan 21, 2006, at 5:29 PM, Frank Barknecht wrote:

> Hallo,
> Mathieu Bouchard hat gesagt: // Mathieu Bouchard wrote:
>
>> On Mon, 16 Jan 2006, Hans-Christoph Steiner wrote:
>>
>>> What is a major hinderance is the list vs. undefined set quandary.
>>
>> One major hinderance is your insistence on calling them undefined  
>> sets.
>
> I like to call lists with a list selector "list-lists".
>
>> Suppose that the Pd of your dreams comes to existence, and that may  
>> mean
>> without any so-called "undefined sets". Every message would be a  
>> "list".
>
> Actually I believe, the only real practical problem that
> lists/messages and list-lists had in the past was, that it was a bit
> hard to make a list-list out of a general list/message.  (Stripping
> the list-selector and converting back to a message-list is possible,
> too, with [list trim], but was possible with [route list] as well.)
> [list $1 $2...( could be ambigious and it didn't work with arbitrary
> length message-lists.
>
> But with pd-0.39 this issue is solved thanks to the [list] object,
> that automatically converts everything to a full-blown list-list, if
> one is needed. This is another reason to upgrade to 0.39 soon, if
> someone hasn't done so yet.

Sadly, this doesn't fix the problems [route] and [print] have with  
lists.   See [pd has some odd cases of list handling] in  
doc/pddp/all_about_lists_vs_anythings.pd

.hc

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