I have dabbled with o=:@: but personally I never became comfortable enough with redefined primitives to rely on it.
It's only a space savings when neither word on either side is user defined. That said, the purpose of a naming convention is to help you get up to speed faster on unfamiliar words. It's not the only technique for that end. -- Raul On Thu, Jan 19, 2012 at 1:10 PM, Tracy Harms <kalei...@gmail.com> wrote: > Raul, > > I find this convention you've spelled out to be attractive, and in my > larger J projects have written pretty much in conformance to it. I deviate > from it, though, when it comes to a few items. Most prominent is the > convention I learned from J.M. Quintana of using lower-case o to mean At > (@:). I've become quite fond of that, and have found it nice in both > reading and writing. For me it is an example of how a few inconsistencies > can be more appealing than a rule that can always be counted on. > > --Tracy > > > On Thu, Jan 19, 2012 at 12:16 PM, Raul Miller <rauldmil...@gmail.com> wrote: > >> An a slightly longer answer is: single letter names can be either >> lowercase or uppercase, but can't be mixed case. And the same would >> hold for names which are numbers prefixed with a single letter. So >> those names would either be verb names (when the letter was lower >> case) or noun names (when the letter was upper case). Adverbs and >> conjunctions would have at least two letters in their names, if you >> were following this naming convention. >> >> But Devon's comments are also important: in general, names should be >> meaningful to your audience -- to people that will be reading these >> names. >> >> -- >> Raul >> >> On Thu, Jan 19, 2012 at 11:25 AM, Devon McCormick <devon...@gmail.com> >> wrote: >> > The short answer is: don't do that. >> > >> > If you want to use single letter names for throw-away, local temp >> > variables, that's fine but the point of a global is that it has some >> > importance and ubiquity. >> > >> > I'm a big fan of terseness - e.g. >> > http://www.jsoftware.com/jwiki/NYCJUG/2009-08-11#TerserisBetter - but >> would >> > it really kill you to add a letter or two? Not to mention the extra >> > difficulty of searching for single-letter names... >> > >> > On Thu, Jan 19, 2012 at 9:50 AM, Viktor Cerovski >> > <viktor.cerov...@gmail.com>wrote: >> > >> >> >> >> >> >> Raul Miller-4 wrote: >> >> > >> >> > I wrote up a wiki essay (or perhaps a rant) on some issues that come >> >> > up in the context of parsing J: >> >> > http://www.jsoftware.com/jwiki/Raul%20Miller/ParsingJ >> >> > >> >> > My suggestions there may not be ideal, but I sort of like them. >> >> > >> >> > -- >> >> > Raul >> >> > ---------------------------------------------------------------------- >> >> > For information about J forums see >> http://www.jsoftware.com/forums.htm >> >> > >> >> > >> >> Leaving the question of style aside, there is one formal problem >> >> with the convention: how would one interpret names consisting of >> >> a single capital letter (with or without trailing numbers): as nouns >> >> or adverbs? Both naming schemes make sense. For instance: >> >> >> >> I =: 1 >> >> I1 =: /("1) >> >> I2 =: /("2) >> >> E =: &.> >> >> >> >> Also, some might prefer additionally to have something like: >> >> >> >> e=:1x1 >> >> >> >> etc. >> >> -- >> >> View this message in context: >> >> http://old.nabble.com/wiki-essay-tp33157128s24193p33168317.html >> >> Sent from the J Programming mailing list archive at Nabble.com. >> >> >> >> ---------------------------------------------------------------------- >> >> For information about J forums see http://www.jsoftware.com/forums.htm >> >> >> > >> > >> > >> > -- >> > Devon McCormick, CFA >> > ^me^ at acm. >> > org is my >> > preferred e-mail >> > ---------------------------------------------------------------------- >> > 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 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
