[PD-dev] how to output list with selector

[Christof Ressi]

> `outlet_list(x->outlist, &s_list, 3, x->outlist)`; 
You accidentally passed the outlet itself as the last argument (t_atom 
*) to outlet_list().

Unfortunately, C only offers minimal type checking and happily casts 
between unrelated pointer types. (With C++ this wouldn't compile in the 
first place.) However, although this is legal in C, all major compilers 
issue a warning ("-Wincompatible-pointer-types" on GCC/Clang resp. 
"warning C4133" with MSVC).

Always check the compiler outputs for warnings!||

||

---

Now to your actual question:

> I'm trying to output a list of values with a selector. For example, 
> "foo 1 2".
The function you're looking for is outlet_anything().

BTW, this is covered in the externals-howto: 
https://github.com/pure-data/externals-howto#outlet-anything

Christof

On 21.09.2023 08:20, Alexandros Drymonitis wrote:
> I'm trying to output a list of values with a selector. For example, 
> "foo 1 2". I though of creating a vector of t_atom, where a_type of 
> the first element would be A_SYMBOL, and the other two would be 
> A_FLOAT, and after a list outlet is created in the new method like this:
>
> `x->outlist = outlet_new(x->x_obj, &s_list);`
>
> I can output the list with a bang like this:
>
> `outlet_list(x->outlist, &s_list, 3, x->outlist)`;
>
> But Pd complains with this error:
>
> ```
> print: listconsistency check failed: atom_string
>  
consistency check failed: atom_string
>  
consistency check failed: atom_string
> ```
>
> What I would like, is to get the output of the object and route it 
> with [route foo]. How do I go about this?
>
>
>
>
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