Re: [Csnd-dev] [EXTERNAL] Re: [Csnd-dev] expression with multiple outputs

ok --- thanks to all for the explanations and thoughts.
i wonder where is a good place to document it.
or is it already anywhere documented?

On 22/09/2025 04:41, Victor Lazzarini wrote:
> It's a can of worms. I have discussed this with Steven and we concluded 
> it's a bad idea.
> 
> 
> Prof. Victor Lazzarini
> Maynooth University
> Ireland
> 
>> On 21 Sep 2025, at 19:25, Hlöðver Sigurðsson <[email protected]> wrote:
>>
>> 
>> in theory the out could infer the [a,a] after I finish this behemoth 
>> change regarding struct arrays I could take a look at this
>>
>> On Sun, 21 Sept 2025 at 17:17, Victor Lazzarini <000010b17ddd988e- 
>> [email protected] <mailto:000010b17ddd988e-dmarc- 
>> [email protected]>> wrote:
>>
>>     No, we don't have that syntax and we have decided a while ago that
>>     we would not try to implement it.
>>
>>     So in summary, a multi-output opcode cannot be used inline like this.
>>
>>     Prof. Victor Lazzarini
>>     Maynooth University
>>     Ireland
>>
>>     > On 21 Sep 2025, at 14:35, joachim heintz <[email protected]
>>     <mailto:[email protected]>> wrote:
>>     >
>>     > *Warning*
>>     >
>>     > This email originated from outside of Maynooth University's Mail
>>     System. Do not reply, click links or open attachments unless you
>>     recognise the sender and know the content is safe.
>>     >
>>     > my assumption was that if out(a1,a2) works, it should also work
>>     if the
>>     > two arguments are the outputs of an expression, like here.
>>     >
>>     >
>>     >> On 21/09/2025 22:28, Eduardo Moguillansky wrote:
>>     >> pan2 returns two outputs, not an array. So I would say that it is a
>>     >> limitation in the sense that for that to work one would need to
>>     add a
>>     >> variant of pan2 which returns an array.
>>     >>
>>     >> On Sun, Sep 21, 2025 at 3:18 PM joachim heintz
>>     <[email protected] <mailto:[email protected]>
>>     >> <mailto:[email protected] <mailto:[email protected]>>> wrote:
>>     >>
>>     >>    nchnls = 2
>>     >>    0dbfs = 1
>>     >>
>>     >>    instr 1
>>     >>        sound:a = pinkish(.1)
>>     >>        out(pan2(sound,random:i(0,1)))
>>     >>    endin
>>     >>    schedule(1,0,1)
>>     >>
>>     >>    error: opcode 'pan2' for expression with arg types ai
>>     returns out-args
>>     >>    != 1, line 14
>>     >>
>>     >>    is this a limitation, or is it supposed to work?
>>     >>
>>     >>    thanks -
>>     >>             joachim
>>     >>
>>