On Sun, May 1, 2011 at 8:24 PM, Ian Clark <[email protected]> wrote: > The why behind the original request? Slotting new items into lists by > adding them on the end and permuting them into place.
In that case, solutions which generalize to adding a batch of new items are probably best? Probably some of the existing solutions are already capable of this (this, for example, is a trivial rearrangement of the version RE Boss proposed which in turn was based on Henry Rich's implementation): 3 /:@~.@(, i.) 10 1 2 3 0 4 5 6 7 8 9 3 5 /:@~.@(, i.) 10 2 3 4 0 5 1 6 7 8 9 -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
