The chance of this error would be reduced, I believe, if "order of evaluation" is described in terms of (implicit) parenthesization.
Ken's treatise Conventions Governing the Order of Evaluation<http://www.jsoftware.com/papers/EvalOrder.htm> from 1966 is worth reading in this regard. On Tue, May 21, 2013 at 2:55 PM, <[email protected]> wrote: > RM> We sometimes say that J evaluates in a right-to-left order. > RM> And that's fairly accurate. > > Caveat instructor. In the last workshop I gave, I learned that > that is actually fairly ambiguous. > > At least two or three participants concluded that > > 10 + 6 - 9 > > yields 13: nine minus six plus ten. > > Fair enough, I'd say, given that R->L prescription. I'll be certainly > more cautious/explicit when doing the next workshop. > > Martin > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
