[ANN] cycle-at-point (cycle literals, numbers or dynamically generated values) now on Melpa

Fantastic idea!

Very nice. I could imagine it also cycling dates and times in various formats, similar to how Org does for its timestamps.

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I especially like the idea of switching between True and False, thanks. Btw, there is a similar package: https://github.com/ROCKTAKEY/grugru FYI.

Right, you can cycle basically anything - generate the list on the fly, and as part of user configuration. I was going to add support for cycling values where generating a complete list wasn't necessary too (just generate next/previous), which would be useful for incrementing/decrementing values (dates for example which are YY-MM-DD aware). But I don't think I'd actually use it much. So far I just use the really obvious cases a lot `True` `False` (mostly) also `is` `is not`. `>=`, `<=` ... this kind of thing. So other more advanced cases may be interesting but personally not something I'm likely to use on a daily basis (and perhaps not at all).

Thanks, I found this after having written cycle-at-point, in general it looks fine and probably works well enough for the same basic use case - some notes though. - I tried it and I couldn't get it working, not sure why (could have spent longer on this). - As far as I can tell it adds multiple undo steps when cycling multiple times. - The way it references symbol / word's means it can't swap multi-word identifiers. So `A is B` -> `A is not B` (maybe there is a way to handle this I'm not aware of). Further, both packages could be made more sophisticated, see VIM's switch.vim ([issue](https://gitlab.com/ideasman42/emacs-cycle-at-point/-/issues/1)). Which I'd be fine with but personally don't have a need for this. In fact I'm wary of getting too sophisticated as there can be all kinds of corner cases that end up needing a full AST to properly manipulate larger blocks of code. One other thing, it would be nice to hook this up to switch synonyms.

Hi! I'm author of grugru! I'd like to help you use grugru if you don't mind! You are true that symbol/word cannot multi-word, but you can use any function to get current position. Actually, grugru is very simple structure. (grugru-define-global A B) A is function, called `getter`, which gets strings from current cursor. `symbol` or `word` is just an alias defined in [the variable `grugru-getter-alist`](https://github.com/ROCKTAKEY/grugru/blob/master/grugru.el#L328). B is function, called `generator`, called with 1 or 2 arguments, `STRING` and `REVERSE`. This function generates string next to `STRING`. If `REVERSE` is non-nil, it generates string previous to `STRING`. B can be also list of strings. The list is transferred to `generator` function by `metagenerator`, which generate `generator` from list of string. Default `metagenerator` is defined in [the variable `grugru-strings-metagenerator`](https://github.com/ROCKTAKEY/grugru/blob/1b3b807e84cb250f0cc70876a438fed3b27eb756/grugru.el#L393). Multiple undo is just my preference, but I think it should be switchable. Never mind opening issue and discussion, or replying to me to get my help or to request feature!