Try this: ∇z←list find key z←(,¨list)∊⊂,key ∇
(Also: please trim your replies.) On Fri, 2014-05-09 at 10:26 -0500, Blake McBride wrote: > Interesting. I didn't know about ≡. That's helpful, but the issue > you raise with 'a' 'b' leaves us back to where I started. There > should be a simple way for me to determine whether to do ⊂ or not. I > just haven't figured out how. > > > I read that there was a big debate about what ⊂ does on a scalar. I > suppose this is part of what I am running up against. I'm sure the > problem can be solved with a bunch of loops and branches, but I was > hoping there is a clean APL way. >
