Yes, we are disagreeing only on the difference between unlikely and asteroid-impact-unlikely.

L., L:, and S: present different problems.  L: is straightforward, but it reconstructs the whole boxing hierarchy even when only the leaves are modified.  L. searches every box, as mentioned earlier.  S: does not go through the common result-assembly code because the number of results is not known, and ends up recopying the result into successively-doubling-size buffers.  I think the code is right for the use cases I see here in the Forum, but if a customer has a special need they would be candidates for rework.

Henry Rich

On 12/18/2023 3:10 AM, Raul Miller wrote:
Ok, but it's not just L.

It's also L: and S:

Also, generally speaking, most applications mostly use a subset of
maybe a dozen J primitives (with different kinds of applications using
a different subset - for example, there's not a lot of call for
exponential functions when manipulating textual reports).

Anyways, probably a [low-priority] call for use cases, and there's
probably other work would would also be needed for some of those use
cases (interacting with some kinds of remote json interfaces, maybe).
Definitely not something for the current J beta.

Thanks,


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