There's several approaches here. There's the thing where you put arguments in boxes, and there's the extremely general approach where you use locales.
But you can also have up to four arguments: x, m, n, y. (Unless you're using other adverbs or conjunctions... to modify this verb.) -- Raul On Thu, Jul 21, 2022 at 10:34 AM 'Viktor Grigorov' via Programming < [email protected]> wrote: > Typos can make this unreadable, I apologize. Here it is corrected: > Looking through the code for my sudoku solver, I think I found the (or a) > reason why it wasn't working. I keep track of all unsolved cells' possble > values. If a cell gets solved, the cells of its face, row, column get > updated by removing the value of just solved cell using "e.". Each updated > cell's face, row, column would then as well need to be updated. I'm > currently doing this with one global variable holding for the the just > solved cell's value, and loops, wherein the recursion is: if you remove > the, say, "3" from the possibilities of "2 3" of one cell in the face or > row or column of just solved one (whose value is now 3), this global value > would assume the value of "2". I would like this variable to return to its > value of "3" after the call to the verb with its value "2" end. > > This is the difficulty of working with at most 2 arguments (of the same > type), right? What does one usually do when encountering such a problem? > Pass a box with >1 elements and interally assign private variables > eachtime, and on each necessary recurssion pass everything as ordered list > of boxes, or is there a way of editting the scope of a to-be-called verb > (or part of sentence)? > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
