On 9 October 2017 at 04:56, Elias Mårtenson <[email protected]> wrote:
> Currently, monadic ↑ acts as if it was called dyadically with 1 as its
> left argument,
>
That's not quite true:
⍴⍴1↑'ABC'
1
⍴⍴↑'ABC'
0
while monadic ↓ raises a VALENCE ERROR. In almost every single case where I
> have used ↓, it has been in the form 1↓X. Is there a reason why the monadic
> form is not allowed?
>
FYI in Dyalog APL monadic ↓ is Split:
↓3 3⍴⎕A
┌───┬───┬───┐
│ABC│DEF│GHI│
└───┴───┴───┘
I believe this came from STSC's NARS.
Jay.