Hello, Rich.
I believe that the problem is the selector not being known at compile-time.
I cannot think of any functions doing what you need in the Faust libraries,
from the top of my head.
For that, perhaps something like the example code below could be helpful:
import("stdfaust.lib");
testlist = (10, 20, 30, 40, 50);
testsel = hslider("selector", 1, 1, 5, 1);
router(sel, list) = list : par(i, ba.count(list), * (ba.if(sel == (i + 1),
1, 0)));
process = router(testsel, testlist);
Best,
Dario
On Sun, 18 Oct 2020 at 16:39, Rich Cochrane <rich.cochr...@bigi.org.uk>
wrote:
> Hello again,
>
> I'm working on some basic (micro)tuning code as part of the learning
> process. I've hit a snag with something that's probably quite basic.
>
> I've implemented the tuning as an array of constant signals in parallel
> and I'm using ba.take() to grab the appropriate one for the current note,
> but it's failing at compile time with a "pattern matching error" that I'm
> struggling to interpret. Google searches suggest other people have run into
> the same problem but none of them seemed to contain a solution.
>
> A minimal (non-)working example is attached -- would anyone be kind enough
> to have a quick look and see if they can spot what's wrong? I've added
> comments indicating the key lines.
>
> Cheers,
>
> Rich
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