Do you mean by "left leaning hook" the following definitions? f LH g y <-> (f y) g y x f LH g y <-> (f x) g y
We have not considered it. The fact that it can be readily accomplished as a fork would argue against it. There are some arguments against hook itself. See: http://www.jsoftware.com/jwiki/Essays/Hook%20Conjunction%3F ----- Original Message ----- From: Boyko Bantchev <[email protected]> Date: Friday, October 30, 2009 1:58 Subject: Re: [Jprogramming] x � [y1,y2) To: Programming forum <[email protected]> > 2009/10/30 Roger Hui <[email protected]>: > > ... > > Because I prefer to have the interval end points > > as the left argument. > > > > In APL/J, it is generally the case that > > the left and right arguments are so defined > > that x&f makes a more sensible monad > > than f&y . The n v1 v2 fork accentuates > > this point. > > I understand now what you mean, thanks for explaining. > (The formulations in phrases/intervals are in the other > direction.) > > Now, I am curious about the following. With expressions like > the above, where some verbosity is apparent, one feels like using > a ‘left-leaning’ hook which J doesn't have. Has such a device > been considered? Perhaps found not frequently occurring? ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
