You might find dissect helpful for questions like this.

dissect '2 4 6 <@(]\) ''abcdefg'''

Click around to see what comes from what.

I would have suggested this earlier but dissect had a bug running it.  Make sure you upgrade dissect using Package Manager.

Henry Rich



On 10/25/2019 11:51 AM, 'Jim Russell' via Programming wrote:
Thank you!

On Oct 25, 2019, at 11:43 AM, Henry Rich <henryhr...@gmail.com> wrote:

You have

2 4 6 <@(]\) 'abcdefg'

As RE says, the whole verb is a dyad, rank 0 _ .  So you are executing

2 <@(]\) 'abcdefg'
4 <@(]\) 'abcdefg'
6 <@(]\) 'abcdefg'

For each of those executions, it's u@v: (]\) is a dyad but < is a monad.  So no 
left argument to < .  Monads don't have a left argument.

Henry Rich




On 10/25/2019 11:26 AM, R.E. Boss wrote:
In https://code.jsoftware.com/wiki/Vocabulary/bslash#dyadic you learn that rank 
of x u\ y is 0 _
And the same holds for <@([\), since

    <@([\)  b.0
_ 0 _


R.E. Boss
-----Oorspronkelijk bericht-----
Van: Programming <programming-boun...@forums.jsoftware.com>
Namens 'Jim Russell' via Programming
Verzonden: vrijdag 25 oktober 2019 15:42
Aan: programm...@jsoftware.com
Onderwerp: Re: [Jprogramming] Consecutive substrings (was Quora
problem)



On Oct 25, 2019, at 6:49 AM, R.E. Boss <r.e.b...@outlook.com> wrote:

I would prefer

   2 4 6 <@(]\) 'abcdefg'

What's going on here?? Dyadic box??
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