[Jprogramming] Tacit adverb definitions?

[Jose Mario Quintana]

> bounces at jsoftware.com] On Behalf Of Dan Bron
> 
> >   o =: 1 : '{.u{:'
> > Is there a corresponding tacit definition?
> 
> Thinking about it more, I would write this as:
> 
> 	   o =. {. $: {: :
> 
> Which is tacit and superior to  1 : '{. u {:'  :
> 
> 	   2 + o 3
> 	5
> 	   + o 2 3
> 	5
> 

Unfortunately,

      test=. +({. $: {: :) 
      (>: @: test)f.
>:@:(3 : '({. $: {:) :+ y' :(4 : 'x ({. $: {:) :+ y'))