Raul noted:
> You should be able to use <;.1 :.; [instead of] <;.1 .
Yes, just like I could use a.&i. :. ({&a.) instead of a.&i. or ;: :.
(}:@;@(,&' '&.>"1)) instead of ;: or +. :. (j./"1"_) instead of +. ,
etc etc etc.
One of J's raison d'etre is its elegance and concision as a notation. Another
its its level of abstraction and detail handled for its users. In each of the
couples cited, including yours, I find the latter phrase a more compelling
illustration of these philosophies.
-Dan
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