down =. |. ] up =. i. # ] b =. ? 2 #~ L =. 10 up =: b } up,:down
up Oddly, this special combination produces a segfault upon reading the value of 'up'. This occurs with L = 10, but not necessarily with other values of L, and not with '?.' instead of '?' https://code.jsoftware.com/wiki/Vocabulary/SpecialCombinations#Assignments_In_Place_.28AIP.29 JVERSION Engine: j904/j64avx/darwin Beta-g: commercial/2022-10-04T00:04:16 Library: 9.04.04 Qt IDE: 2.0.3/6.2.4(6.2.4) Platform: Darwin 64 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
