Try put =: 4 : '42 (x)}y'
verb is defined as 3, meaning a monadic verb, but a dyadic verb is needed. Best regards, Markus -----Ursprüngliche Nachricht----- Von: Programming [mailto:programming-boun...@forums.jsoftware.com] Im Auftrag von Rudolf Sykora Gesendet: Freitag, 23. Juni 2017 11:24 An: programm...@jsoftware.com Betreff: [Jprogramming] verb to set an element of an array Hello, I want to set x'th element of y to 42. I tried quite a few variations of put := verb : '42 x}y' but I am still getting 1 put 1 2 3 |domain error: put Can you tell me what is wrong, and tell me how to do it right? Thanks Ruda ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
