You deal with _. using 128!:5 . See the dictionary page for _. . http://www.jsoftware.com/help/dictionary/d031.htm
----- Original Message ----- From: Tracy Harms <[email protected]> Date: Thursday, March 18, 2010 9:39 Subject: Re: [Jprogramming] A J phrase which crashes Java on the iMac To: Programming forum <[email protected]> > I agree that doesn't seem useful. My thought was, "well, I've > got to clean > out any Indeterminate atoms before applying Less. But when I > tried to do > that, I failed: > > validate =: #~ _.~:] > validate 1 2 _. 4 > 1 2 _. 4 > validate 2 _. 4 5 > 2 _. 4 5 > > So, heck, I don't know how to deal with (_.) > > > On Thu, Mar 18, 2010 at 11:06 AM, Raul Miller > <[email protected]> wrote: > > > On Thu, Mar 18, 2010 at 10:17 AM, Tracy Harms > <[email protected]> wrote: > > > The documented meaning of Indeterminate, and the > restrictions on its > > > validity, are genuine support for a useful feature. This > feature allows > > > edge-cases and exceptions to be automatically caught within > the J engine, > > > problem-situations that would otherwise have to be hand-coded. > > > > I feel that this can only be true for languages which do not have > > elements whose logical behavior is defined in terms of the > > logic of other parts of the language. > > > > For example, the following does not seem useful to me: > > 1 2 _. 4 -. 2 _. 4 5 > > 1 _. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
