Re: [Bug-apl] Lambda valence error

[Christian Robert]

You can force binding monadic like this

      1 ({⍵} 2)
1 2


but what you describe may effectively be a bug.

Xtian.

On 2016-06-04 02:58, Daniel H. Leidisch wrote:
> Hello!
>
> On r734:
>
>       1 {⍵} 2
> VALENCE ERROR
>       1 λ1 2
>       ^ ^
>
> Unless I'm mistaken, this used to work. I assumed it to be a regression,
> but reading the info section about lambdas, it actually seems to be
> intended behavior. ("If only ⍵ is present then it is monadic, and if
> neither ⍺ nor ⍵ is present then the lambda is niladic.")
>
> I can get around it using something like {⍺ ⊢ ⍵}, but it feels clumsy
> and isn't needed in Dyalog and NGN. Is it intended behavior, and if yes,
> what was the rationale behind it?
>
>
> Regards,
>
> Daniel