Oleg has introduced the use of fetch in places that pick has been used traditionally. Does the following experiment capture a distinction?
(B=) <----------my "sig" Brian Schott Atlanta, GA, USA schott DOT bee are eye eh en AT gee em ae eye el DOT com http://schott.selfip.net/~brian/ ts =: (6!:2);(7!:2)@] y =: i. each;/ ?.500 2$3 10 4{.y +-----+---+-------------------------+-----------------+ | |0 1|0 1 2 3 4 5 6 7 8|0 1 2 3 4 5 6| | |2 3|9 10 11 12 13 14 15 16 17|7 8 9 10 11 12 13| +-----+---+-------------------------+-----------------+ x =: ?.500$500 ts 'x pick y' +--------+-----+ |0.002219|87296| +--------+-----+ ts 'x {::"0 _ y' +----------+------+ |0.00743826|391744| +----------+------+ (x pick y)-:(x {::"0 _ y) 1 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
