Re: [Bug-apl] String element of general array

[David B. Lamkins]

That particular function is not designed to accept multiple keys.


On Fri, 2014-05-09 at 11:34 -0500, Blake McBride wrote:
> Greetings,
> 
> 
> It doesn't work:
> 
> 
>       m←'hello' 'there' 'how' 'are' 'you'
>       m
>  hello there how are you 
> 
> 
>       m find 'are'
> 0 0 0 1 0
>       m find 'are' 'hello'
> 0 0 0 0 0
>       'are' find m
> 0 0 0
> 
> 
> Thanks.
> 
> 
> Blake
> 
> 
> On Fri, May 9, 2014 at 11:15 AM, David B. Lamkins <address@hidden>
> wrote:
>         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.
>         >
>         
>         
>         
>         
> 
>