Thanks, friends, for all the helpful suggestions. I am yet to try to out all of them. Shall get back once I do.
Thanks and regards, Arnab On Sat, Mar 3, 2018 at 12:39 AM, 'Pascal Jasmin' via Programming < programm...@jsoftware.com> wrote: > The usefulness of the F. F: family (there will probably be just 1 or 2 > vocabulary entries) is that they replace / and /\ when the result of u/ > item_of_y (with optional initial value) is a different shape than > item_of_y. Most often it is the shape of the initial value, though with F. > that initial value can change to any shape as the items of y are applied to > it. > > Z: allows breaking out of such a fold when a condition is reached (usually > a success condition for finding what you were looking for) > > Z: might also be usable when wishing to exit/abort an arbitrary verb, for > example, finding the first value that meets threshold > > (1 i.~ 20 < ])@:+: i.10000000 > > > could become, something like > > >:@# Z:^:(20 <])@:+: > > though this needs work, and probably Z: needs to be an adverb that has its > abort condition as u, which might lose flexibility for its main purpose > with F. > > > > ________________________________ > From: Brian Schott <schott.br...@gmail.com> > To: Programming forum <programm...@jsoftware.com> > Sent: Friday, March 2, 2018 1:02 PM > Subject: Re: [Jprogramming] Insert initialising > > > > Have you considered using Z and z instead of Z and F? > And maybe using z and Z for the parallels to .: and :. although .: and :. > might be more suggestive of the distinctions that they make. > I frankly have a very hard time grokking all the different folds, not > having used any at all. But I am sort of not looking forward to the revised > Vocabulary page with the several F's added. > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
