[PD-dev] [once] default closed...

[Hans-Christoph Steiner]

IOhannes stuck [once] into the purepd library.  I started that  
library as a DEVELOPMENT library to explore ideas of how to implement  
things in Pd.  IOhannes replaced my code with [once] without asking  
me.  That's bad CVS etiquette.  But [once] was an improvement on what  
was there.  I want to improve it further but you guys are blocking  
me.  So here's what I say:
purepd will remain a DEVELOPMENT library.  If you want a static,  
unchanging [once], please include it elsewhere, like zexy.  If you  
want a place to freely explore implementing things in Pd, please  
include it in the purepd library.  Then as interfaces and ideas get  
solidified, they can be moved elsewhere.

.hc

On Sep 13, 2006, at 7:16 PM, Frank Barknecht wrote:

> Hallo,
> Hans-Christoph Steiner hat gesagt: // Hans-Christoph Steiner wrote:
>
>> [once] controls flow.  It should take a float argument like [spigot]
>> and [gate] so you can choose the default state.  No argument implies
>> an argument of 0.  Therefore it makes sense that [once] would be
>> default closed.
>
> But then it wouldn't be [once] anymore, as I already remarked.
>
>> If you want it to be default open, you can easily do
>> [once 1].
>
> Changing the behaviour of [once] would force anyone who was using
> [once] to change their patches.
>
> I guess we all agree that adding an argument to [once] can be
> considered, however IOhannes and I both don't want this if it changes
> the default behaviour.
>
> As a compromise why not let [once] stay the way it is and as it's
> used, but instead introduce a new object with a new name. I thought a
> bit about this, and *if* we want an argument to [once], then this
> argument should be used for a little bit more than just selecting open
> or close. The most natural use for an argument I could come up with
> was to select, after how many incoming messages the object should
> close. Of course then the name [once] wouldn't be useful anymore as we
> would also have a reaction to messages coming in "more than once".
>
> So my idea for this object is like this:
>
> [the_object_previously_known_as_once] would close after 0 messages,
> that is, default is closed just like you wished.
>
> [the_object_previously_known_as_once 1] would be like the old [once]
>
> [the_object_previously_known_as_once 10] would close after 10
> in-messages, that is after it has counted down like: 9,  8,  7, 6,
> 5, 4, 3, 2, 1, liftoff!
>
> That's also the name I finally chose for the new
> [the_object_previously_known_as_once]:
>
>   [countdown]
>
> It's attached.
>
> Ciao
> -- 
>  Frank Barknecht                 _ ______footils.org_ __goto10.org__
> <countdown.pd>
> <countdown-help.pd>
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