A little problem.

General APL language issues

Re: A little problem.

Postby Roger|Dyalog on Tue Mar 28, 2017 5:49 pm

⊣⌸⍵ does get the unique major cells of ⍵. It is the best until we get our act together and extend ∪⍵ to do that, in the same way that ⍺⍳⍵ was extended.

∪⍵ ←→ ⍵⌿⍨(⍳≢⍵)=⍵⍳⍵

BTW, as described in Glasgow, the result of the new interval index ⍸ are bee's knees as left argument to key.
Roger|Dyalog
 
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