A documented facility is free to use lots of undocumented facilities in its implementation.
----- Original Message ----- From: Don Guinn <[email protected]> Date: Friday, January 22, 2010 10:29 Subject: Re: [Jprogramming] LoBrow: browser for locale contents To: Programming forum <[email protected]> > So, given that SAJ (is and isL) set an undocumented flag to set > read only, > is it a good idea to use SAJ? > > Roger, you asked a lot of questions about how a proper > implementation should > work. Are you trying to scare us off or are you really > interested in our > thoughts. If so this might get to be a really long thread. > > On Fri, Jan 22, 2010 at 10:14 AM, Roger Hui <[email protected]> > wrote: > > It is not a good idea to use undocumented facilities. > > A facility, if it is needed and useful, should be in > > the language proper. > > > > As I write this, I can not even tell you exactly what > > 15!:6 does. As far as I recall it manipulates fields > > in an array that are themselves not documented and > > are subject to change from one version to the next, > > in ways not visible to a user of the language. > > > > > > > > ----- Original Message ----- > > From: Dan Bron <[email protected]> > > Date: Friday, January 22, 2010 8:59 > > Subject: Re: [Jprogramming] LoBrow: browser for locale contents > > To: 'Programming forum' <[email protected]> > > > > > Don Guinn wrote: > > > > Did in include locking the names for verbs etc? > > > > > > SAJ could (and would) do that, if the behavior of 15!:6 hadn't > > > changed (to only support pronouns). > > > > > > Can I have it back, pretty please? > > > > > > -Dan > > --------------------------------------------------------------- > ------- > > 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
