Oh, I missed that, thanks.
On 12/01/2017 09:33 PM, bill lam wrote: > 3. Should already open during indirect assignments, no need to unbox again. > > On Dec 2, 2017 9:04 AM, "Dabrowski, Andrew John" <[email protected]> > wrote: > >> 1. How does one test whether an object is string? >> >> 2. I now know that J doesn't support nullary functions. It also seems >> that J doesn't allow functions that don't return any value (i.e. for the >> side effects), correct? >> >> 3. Suppose I want to define a dyadic function in which the y variable >> contains three values: a number, a vector, and a string. One way to do >> this would be to have y be a list of three boxes, say y = 13 ; 2 3 4 ; >> 'abcd' and parse y by >> >> fun =: dyad define >> 'num vec str' =. y >> num =. > num >> vec =. > vec >> str =. > str >> ... >> ) >> >> Is this the idiomatic way to do it? Is there a better way? >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
