Don't go there. Let's say you have some internal representation for index-of. What do you output for 5!:5 <'f' where f=: 'i.'&i.? Would that result have different lengths at different times? Would the character string 'i.' in the definition of f be stored as the ASCII characters 105 and 46?
On Mon, Feb 24, 2014 at 7:42 PM, bill lam <bbill....@gmail.com> wrote: > I guess J can support both ascii and APL glyph as primitives by > modifying the c source code for monad ;: and map both ascii and > APL glyph to the same internal representation token for the > primitives. > > Since J is script-based, J itself does not need to concern how > APL character will be input or output because that will be the job > of terminal emulator or IME. > > Пн, 24 фев 2014, Paul Jackson писал(а): > > There has been some nice work in other areas to support keyboards. The > > following page uses that work to provide an APL keyboard. > > http://home.comcast.net/~paul.l.jackson/APL.js/ > > If you know the APL keyboard, just type ` followed by a normal character > > and an APL character will appear. > > > > If you don't know the APL keyboard, you may want to turn the visual > > keyboard on, or look at the documentation. > > http://home.comcast.net/~paul.l.jackson/APL.js/ > > > > > > > > > > On Mon, Feb 24, 2014 at 8:27 AM, Raul Miller <rauldmil...@gmail.com> > wrote: > > > > > Maybe I should be doing this in a different forum? It's hard to > > > anticipate if or where conversation will go. > > > > > > Anyways, http://www.johndcook.com/symbols/2014/02/apl/ reminded me to > > > think about the tradeoffs involved in J's design: > > > > > > thru=: [ + 1 i.@+ -~ > > > 10 thru 20 > > > 10 11 12 13 14 15 16 17 18 19 20 > > > u: 16b2336 thru 16b237a > > > ⌶⌷⌸⌹⌺⌻⌼⌽⌾⌿⍀⍁⍂⍃⍄⍅⍆⍇⍈⍉⍊⍋⍌⍍⍎⍏⍐⍑⍒⍓⍔⍕⍖⍗⍘⍙⍚⍛⍜⍝⍞⍟⍠⍡⍢⍣⍤⍥⍦⍧⍨⍩⍪⍫⍬⍭⍮⍯⍰⍱⍲⍳⍴⍵⍶⍷⍸⍹⍺ > > > > > > ASCII is horribly ugly, the world still has not caught up to APL's > > > character set. > > > > > > Sometimes, retro is the right choice. > > > > > > Thanks, > > > > > > -- > > > Raul > > > ---------------------------------------------------------------------- > > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > > > > > > > -- > > Paul > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > -- > regards, > ==================================================== > GPG key 1024D/4434BAB3 2008-08-24 > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
